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| <li>Summary: </li> |
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| <h2 title="Class NamedVector" class="title">Class NamedVector</h2> |
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| <pre>public class <span class="typeNameLabel">NamedVector</span> |
| extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></pre> |
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| <h3>Nested classes/interfaces inherited from interface org.apache.mahout.math.<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></h3> |
| <code><a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a></code></li> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#NamedVector--">NamedVector</a></span>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#NamedVector-org.apache.mahout.math.NamedVector-">NamedVector</a></span>(<a href="../../../../org/apache/mahout/math/NamedVector.html" title="class in org.apache.mahout.math">NamedVector</a> other)</code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#NamedVector-org.apache.mahout.math.Vector-java.lang.String-">NamedVector</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> delegate, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#aggregate-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleFunction-">aggregate</a></span>(<a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> aggregator, |
| <a href="../../../../org/apache/mahout/math/function/DoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleFunction</a> map)</code> |
| <div class="block">Examples speak louder than words: aggregate(plus, pow(2)) is another way to say |
| getLengthSquared(), aggregate(max, abs) is norm(Double.POSITIVE_INFINITY).</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#aggregate-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleDoubleFunction-">aggregate</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other, |
| <a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> aggregator, |
| <a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> combiner)</code> |
| <div class="block">Generalized inner product - take two vectors, iterate over them both, using the combiner to combine together |
| (and possibly map in some way) each pair of values, which are then aggregated with the previous accumulated |
| value in the combiner.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#all--">all</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#asFormatString--">asFormatString</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#assign-double-">assign</a></span>(double value)</code> |
| <div class="block">Assign the value to all elements of the receiver</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#assign-double:A-">assign</a></span>(double[] values)</code> |
| <div class="block">Assign the values to the receiver</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#assign-org.apache.mahout.math.function.DoubleDoubleFunction-double-">assign</a></span>(<a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> f, |
| double y)</code> |
| <div class="block">Apply the function to each element of the receiver, using the y value as the second argument of the |
| DoubleDoubleFunction</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#assign-org.apache.mahout.math.function.DoubleFunction-">assign</a></span>(<a href="../../../../org/apache/mahout/math/function/DoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleFunction</a> function)</code> |
| <div class="block">Apply the function to each element of the receiver</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#assign-org.apache.mahout.math.Vector-">assign</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other)</code> |
| <div class="block">Assign the other vector values to the receiver</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#assign-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-">assign</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other, |
| <a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> function)</code> |
| <div class="block">Apply the function to each element of the receiver and the corresponding element of the other argument</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/NamedVector.html" title="class in org.apache.mahout.math">NamedVector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#clone--">clone</a></span>()</code> |
| <div class="block">Return a copy of the recipient</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Matrix.html" title="interface in org.apache.mahout.math">Matrix</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#cross-org.apache.mahout.math.Vector-">cross</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other)</code> |
| <div class="block">Return the cross product of the receiver and the other vector</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#divide-double-">divide</a></span>(double x)</code> |
| <div class="block">Return a new vector containing the values of the recipient divided by the argument</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#dot-org.apache.mahout.math.Vector-">dot</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</code> |
| <div class="block">Return the dot product of the recipient and the argument</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#equals-java.lang.Object-">equals</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> other)</code> |
| <div class="block">To not break transitivity with other <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math"><code>Vector</code></a>s, this does not compare name.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#get-int-">get</a></span>(int index)</code> |
| <div class="block">Return the value at the given index</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getDelegate--">getDelegate</a></span>()</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getDistanceSquared-org.apache.mahout.math.Vector-">getDistanceSquared</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> v)</code> |
| <div class="block">Get the square of the distance between this vector and the other vector.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getElement-int-">getElement</a></span>(int index)</code> |
| <div class="block">Return an object of Vector.Element representing an element of this Vector.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getIteratorAdvanceCost--">getIteratorAdvanceCost</a></span>()</code> |
| <div class="block">Gets an estimate of the cost (in number of operations) it takes to advance an iterator through the nonzero |
| elements of this vector.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getLengthSquared--">getLengthSquared</a></span>()</code> |
| <div class="block">Return the sum of squares of all elements in the vector.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getLookupCost--">getLookupCost</a></span>()</code> |
| <div class="block">Gets an estimate of the cost (in number of operations) it takes to lookup a random element in this vector.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getName--">getName</a></span>()</code> </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getNumNondefaultElements--">getNumNondefaultElements</a></span>()</code> |
| <div class="block">Return the number of values in the recipient which are not the default value.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getNumNonZeroElements--">getNumNonZeroElements</a></span>()</code> |
| <div class="block">Return the number of non zero elements in the vector.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#getQuick-int-">getQuick</a></span>(int index)</code> |
| <div class="block">Return the value at the given index, without checking bounds</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#hashCode--">hashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#incrementQuick-int-double-">incrementQuick</a></span>(int index, |
| double increment)</code> |
| <div class="block">Increment the value at the given index by the given value.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#isAddConstantTime--">isAddConstantTime</a></span>()</code> |
| <div class="block">Return true iff adding a new (nonzero) element takes constant time for this vector.</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#isDense--">isDense</a></span>()</code> |
| <div class="block">true if this implementation should be considered dense -- that it explicitly |
| represents every value</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#isSequentialAccess--">isSequentialAccess</a></span>()</code> |
| <div class="block">true if this implementation should be considered to be iterable in index order in an efficient way.</div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/NamedVector.html" title="class in org.apache.mahout.math">NamedVector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#like--">like</a></span>()</code> |
| <div class="block">Return an empty vector of the same underlying class as the receiver</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#like-int-">like</a></span>(int cardinality)</code> |
| <div class="block">Return a new empty vector of the same underlying class as the receiver with given cardinality</div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#logNormalize--">logNormalize</a></span>()</code> |
| <div class="block">Return a new vector containing the log(1 + entry)/ L_2 norm values of the recipient</div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#logNormalize-double-">logNormalize</a></span>(double power)</code> |
| <div class="block">Return a new Vector with a normalized value calculated as log_power(1 + entry)/ L_power norm.</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#maxValue--">maxValue</a></span>()</code> </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#maxValueIndex--">maxValueIndex</a></span>()</code> </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#mergeUpdates-org.apache.mahout.math.OrderedIntDoubleMapping-">mergeUpdates</a></span>(<a href="../../../../org/apache/mahout/math/OrderedIntDoubleMapping.html" title="class in org.apache.mahout.math">OrderedIntDoubleMapping</a> updates)</code> |
| <div class="block">Merge a set of (index, value) pairs into the vector.</div> |
| </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#minus-org.apache.mahout.math.Vector-">minus</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</code> |
| <div class="block">Return a new vector containing the element by element difference of the recipient and the argument</div> |
| </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#minValue--">minValue</a></span>()</code> </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#minValueIndex--">minValueIndex</a></span>()</code> </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#nonZeroes--">nonZeroes</a></span>()</code> </td> |
| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#norm-double-">norm</a></span>(double power)</code> |
| <div class="block">Return the k-norm of the vector.</div> |
| </td> |
| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#normalize--">normalize</a></span>()</code> |
| <div class="block">Return a new vector containing the normalized (L_2 norm) values of the recipient</div> |
| </td> |
| </tr> |
| <tr id="i44" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#normalize-double-">normalize</a></span>(double power)</code> |
| <div class="block">Return a new Vector containing the normalized (L_power norm) values of the recipient.</div> |
| </td> |
| </tr> |
| <tr id="i45" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#plus-double-">plus</a></span>(double x)</code> |
| <div class="block">Return a new vector containing the sum of each value of the recipient and the argument</div> |
| </td> |
| </tr> |
| <tr id="i46" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#plus-org.apache.mahout.math.Vector-">plus</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</code> |
| <div class="block">Return a new vector containing the element by element sum of the recipient and the argument</div> |
| </td> |
| </tr> |
| <tr id="i47" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#set-int-double-">set</a></span>(int index, |
| double value)</code> |
| <div class="block">Set the value at the given index</div> |
| </td> |
| </tr> |
| <tr id="i48" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#setQuick-int-double-">setQuick</a></span>(int index, |
| double value)</code> |
| <div class="block">Set the value at the given index, without checking bounds</div> |
| </td> |
| </tr> |
| <tr id="i49" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#size--">size</a></span>()</code> |
| <div class="block">Return the cardinality of the recipient (the maximum number of values)</div> |
| </td> |
| </tr> |
| <tr id="i50" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#times-double-">times</a></span>(double x)</code> |
| <div class="block">Return a new vector containing the product of each value of the recipient and the argument</div> |
| </td> |
| </tr> |
| <tr id="i51" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#times-org.apache.mahout.math.Vector-">times</a></span>(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</code> |
| <div class="block">Return a new vector containing the element-wise product of the recipient and the argument</div> |
| </td> |
| </tr> |
| <tr id="i52" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#toString--">toString</a></span>()</code> </td> |
| </tr> |
| <tr id="i53" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#viewPart-int-int-">viewPart</a></span>(int offset, |
| int length)</code> |
| <div class="block">Return a new vector containing the subset of the recipient</div> |
| </td> |
| </tr> |
| <tr id="i54" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/mahout/math/NamedVector.html#zSum--">zSum</a></span>()</code> |
| <div class="block">Return the sum of all the elements of the receiver</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
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| <h4>NamedVector</h4> |
| <pre>public NamedVector()</pre> |
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| <h4>NamedVector</h4> |
| <pre>public NamedVector(<a href="../../../../org/apache/mahout/math/NamedVector.html" title="class in org.apache.mahout.math">NamedVector</a> other)</pre> |
| </li> |
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| <pre>public NamedVector(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> delegate, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
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| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| <h3>Method Detail</h3> |
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| <h4>getName</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getName()</pre> |
| </li> |
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| <a name="getDelegate--"> |
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| <li class="blockList"> |
| <h4>getDelegate</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> getDelegate()</pre> |
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| <h4>hashCode</h4> |
| <pre>public int hashCode()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
| </dl> |
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| <h4>equals</h4> |
| <pre>public boolean equals(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> other)</pre> |
| <div class="block">To not break transitivity with other <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math"><code>Vector</code></a>s, this does not compare name.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
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| <h4>clone</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/NamedVector.html" title="class in org.apache.mahout.math">NamedVector</a> clone()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#clone--">Vector</a></code></span></div> |
| <div class="block">Return a copy of the recipient</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#clone--">clone</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="all--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>all</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a>> all()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#all--">all</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nonZeroes--"> |
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| <h4>nonZeroes</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a>> nonZeroes()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#nonZeroes--">nonZeroes</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
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| <h4>asFormatString</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> asFormatString()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#asFormatString--">asFormatString</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a formatted String suitable for output</dd> |
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| </li> |
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| <a name="toString--"> |
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| <h4>toString</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
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| <a name="assign-double-"> |
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| <h4>assign</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> assign(double value)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#assign-double-">Vector</a></code></span></div> |
| <div class="block">Assign the value to all elements of the receiver</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#assign-double-">assign</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>value</code> - a double value</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the modified receiver</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="assign-double:A-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>assign</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> assign(double[] values)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#assign-double:A-">Vector</a></code></span></div> |
| <div class="block">Assign the values to the receiver</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#assign-double:A-">assign</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>values</code> - a double[] of values</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the modified receiver</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="assign-org.apache.mahout.math.Vector-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>assign</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> assign(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.Vector-">Vector</a></code></span></div> |
| <div class="block">Assign the other vector values to the receiver</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.Vector-">assign</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>other</code> - a Vector</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the modified receiver</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="assign-org.apache.mahout.math.function.DoubleFunction-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>assign</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> assign(<a href="../../../../org/apache/mahout/math/function/DoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleFunction</a> function)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.function.DoubleFunction-">Vector</a></code></span></div> |
| <div class="block">Apply the function to each element of the receiver</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.function.DoubleFunction-">assign</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>function</code> - a DoubleFunction to apply</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the modified receiver</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="assign-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>assign</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> assign(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other, |
| <a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> function)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-">Vector</a></code></span></div> |
| <div class="block">Apply the function to each element of the receiver and the corresponding element of the other argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-">assign</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>other</code> - a Vector containing the second arguments to the function</dd> |
| <dd><code>function</code> - a DoubleDoubleFunction to apply</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the modified receiver</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="assign-org.apache.mahout.math.function.DoubleDoubleFunction-double-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>assign</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> assign(<a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> f, |
| double y)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.function.DoubleDoubleFunction-double-">Vector</a></code></span></div> |
| <div class="block">Apply the function to each element of the receiver, using the y value as the second argument of the |
| DoubleDoubleFunction</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#assign-org.apache.mahout.math.function.DoubleDoubleFunction-double-">assign</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>f</code> - a DoubleDoubleFunction to be applied</dd> |
| <dd><code>y</code> - a double value to be argument to the function</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the modified receiver</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="size--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>size</h4> |
| <pre>public int size()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#size--">Vector</a></code></span></div> |
| <div class="block">Return the cardinality of the recipient (the maximum number of values)</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#size--">size</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an int</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isDense--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>isDense</h4> |
| <pre>public boolean isDense()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#isDense--">Vector</a></code></span></div> |
| <div class="block">true if this implementation should be considered dense -- that it explicitly |
| represents every value</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#isDense--">isDense</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true or false</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isSequentialAccess--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>isSequentialAccess</h4> |
| <pre>public boolean isSequentialAccess()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#isSequentialAccess--">Vector</a></code></span></div> |
| <div class="block">true if this implementation should be considered to be iterable in index order in an efficient way. |
| In particular this implies that <a href="../../../../org/apache/mahout/math/Vector.html#all--"><code>Vector.all()</code></a> and <a href="../../../../org/apache/mahout/math/Vector.html#nonZeroes--"><code>Vector.nonZeroes()</code></a> ()} return elements |
| in ascending order by index.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#isSequentialAccess--">isSequentialAccess</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true iff this implementation should be considered to be iterable in index order in an efficient way.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getElement-int-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getElement</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a> getElement(int index)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getElement-int-">Vector</a></code></span></div> |
| <div class="block">Return an object of Vector.Element representing an element of this Vector. Useful when designing new iterator |
| types.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getElement-int-">getElement</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - Index of the Vector.Element required</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The Vector.Element Object</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="mergeUpdates-org.apache.mahout.math.OrderedIntDoubleMapping-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>mergeUpdates</h4> |
| <pre>public void mergeUpdates(<a href="../../../../org/apache/mahout/math/OrderedIntDoubleMapping.html" title="class in org.apache.mahout.math">OrderedIntDoubleMapping</a> updates)</pre> |
| <div class="block">Merge a set of (index, value) pairs into the vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#mergeUpdates-org.apache.mahout.math.OrderedIntDoubleMapping-">mergeUpdates</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>updates</code> - an ordered mapping of indices to values to be merged in.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="divide-double-"> |
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| <h4>divide</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> divide(double x)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#divide-double-">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the values of the recipient divided by the argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#divide-double-">divide</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - a double value</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="dot-org.apache.mahout.math.Vector-"> |
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| </a> |
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| <h4>dot</h4> |
| <pre>public double dot(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#dot-org.apache.mahout.math.Vector-">Vector</a></code></span></div> |
| <div class="block">Return the dot product of the recipient and the argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#dot-org.apache.mahout.math.Vector-">dot</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - a Vector</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="get-int-"> |
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| </a> |
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| <h4>get</h4> |
| <pre>public double get(int index)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#get-int-">Vector</a></code></span></div> |
| <div class="block">Return the value at the given index</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#get-int-">get</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - an int index</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the double at the index</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getQuick-int-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getQuick</h4> |
| <pre>public double getQuick(int index)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getQuick-int-">Vector</a></code></span></div> |
| <div class="block">Return the value at the given index, without checking bounds</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getQuick-int-">getQuick</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - an int index</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the double at the index</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="like--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>like</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/NamedVector.html" title="class in org.apache.mahout.math">NamedVector</a> like()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#like--">Vector</a></code></span></div> |
| <div class="block">Return an empty vector of the same underlying class as the receiver</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#like--">like</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="like-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>like</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> like(int cardinality)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#like-int-">Vector</a></code></span></div> |
| <div class="block">Return a new empty vector of the same underlying class as the receiver with given cardinality</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#like-int-">like</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cardinality</code> - - size of vector</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math"><code>Vector</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="minus-org.apache.mahout.math.Vector-"> |
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| <ul class="blockList"> |
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| <h4>minus</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> minus(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#minus-org.apache.mahout.math.Vector-">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the element by element difference of the recipient and the argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#minus-org.apache.mahout.math.Vector-">minus</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - a Vector</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="normalize--"> |
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| </a> |
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| <h4>normalize</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> normalize()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#normalize--">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the normalized (L_2 norm) values of the recipient</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#normalize--">normalize</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="normalize-double-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>normalize</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> normalize(double power)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#normalize-double-">Vector</a></code></span></div> |
| <div class="block">Return a new Vector containing the normalized (L_power norm) values of the recipient. <p> |
| See |
| http://en.wikipedia.org/wiki/Lp_space <p> |
| Technically, when <code>0 < power < 1</code>, we don't have a norm, just a metric, |
| but we'll overload this here. <p> |
| Also supports <code>power == 0</code> (number of non-zero elements) and power = <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Double.html?is-external=true#POSITIVE_INFINITY" title="class or interface in java.lang"><code>Double.POSITIVE_INFINITY</code></a> (max element). Again, see the Wikipedia page for more info</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#normalize-double-">normalize</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>power</code> - The power to use. Must be >= 0. May also be <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Double.html?is-external=true#POSITIVE_INFINITY" title="class or interface in java.lang"><code>Double.POSITIVE_INFINITY</code></a>. See the Wikipedia link |
| for more on this.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector x such that norm(x, power) == 1</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="logNormalize--"> |
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| <h4>logNormalize</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> logNormalize()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#logNormalize--">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the log(1 + entry)/ L_2 norm values of the recipient</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#logNormalize--">logNormalize</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="logNormalize-double-"> |
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| <h4>logNormalize</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> logNormalize(double power)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#logNormalize-double-">Vector</a></code></span></div> |
| <div class="block">Return a new Vector with a normalized value calculated as log_power(1 + entry)/ L_power norm. <p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#logNormalize-double-">logNormalize</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>power</code> - The power to use. Must be > 1. Cannot be <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Double.html?is-external=true#POSITIVE_INFINITY" title="class or interface in java.lang"><code>Double.POSITIVE_INFINITY</code></a>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="norm-double-"> |
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| </a> |
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| <h4>norm</h4> |
| <pre>public double norm(double power)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#norm-double-">Vector</a></code></span></div> |
| <div class="block">Return the k-norm of the vector. <p/> See http://en.wikipedia.org/wiki/Lp_space <p> |
| Technically, when <code>0 > power < 1</code>, we don't have a norm, just a metric, but we'll overload this here. Also supports power == 0 (number of |
| non-zero elements) and power = <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Double.html?is-external=true#POSITIVE_INFINITY" title="class or interface in java.lang"><code>Double.POSITIVE_INFINITY</code></a> (max element). Again, see the Wikipedia page for |
| more info.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#norm-double-">norm</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>power</code> - The power to use.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/mahout/math/Vector.html#normalize-double-"><code>Vector.normalize(double)</code></a></dd> |
| </dl> |
| </li> |
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| <a name="maxValue--"> |
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| <h4>maxValue</h4> |
| <pre>public double maxValue()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#maxValue--">maxValue</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The maximum value in the Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="maxValueIndex--"> |
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| <h4>maxValueIndex</h4> |
| <pre>public int maxValueIndex()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#maxValueIndex--">maxValueIndex</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The index of the maximum value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="minValue--"> |
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| <h4>minValue</h4> |
| <pre>public double minValue()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#minValue--">minValue</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The minimum value in the Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="minValueIndex--"> |
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| <ul class="blockList"> |
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| <h4>minValueIndex</h4> |
| <pre>public int minValueIndex()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#minValueIndex--">minValueIndex</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The index of the minimum value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="plus-double-"> |
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| <li class="blockList"> |
| <h4>plus</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> plus(double x)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#plus-double-">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the sum of each value of the recipient and the argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#plus-double-">plus</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - a double</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="plus-org.apache.mahout.math.Vector-"> |
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| </a> |
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| <h4>plus</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> plus(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#plus-org.apache.mahout.math.Vector-">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the element by element sum of the recipient and the argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#plus-org.apache.mahout.math.Vector-">plus</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - a Vector</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="set-int-double-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>set</h4> |
| <pre>public void set(int index, |
| double value)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#set-int-double-">Vector</a></code></span></div> |
| <div class="block">Set the value at the given index</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#set-int-double-">set</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - an int index into the receiver</dd> |
| <dd><code>value</code> - a double value to set</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setQuick-int-double-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>setQuick</h4> |
| <pre>public void setQuick(int index, |
| double value)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#setQuick-int-double-">Vector</a></code></span></div> |
| <div class="block">Set the value at the given index, without checking bounds</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#setQuick-int-double-">setQuick</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - an int index into the receiver</dd> |
| <dd><code>value</code> - a double value to set</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="incrementQuick-int-double-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>incrementQuick</h4> |
| <pre>public void incrementQuick(int index, |
| double increment)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#incrementQuick-int-double-">Vector</a></code></span></div> |
| <div class="block">Increment the value at the given index by the given value.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#incrementQuick-int-double-">incrementQuick</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - an int index into the receiver</dd> |
| <dd><code>increment</code> - sets the value at the given index to value + increment;</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNumNonZeroElements--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNumNonZeroElements</h4> |
| <pre>public int getNumNonZeroElements()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getNumNonZeroElements--">Vector</a></code></span></div> |
| <div class="block">Return the number of non zero elements in the vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getNumNonZeroElements--">getNumNonZeroElements</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an int</dd> |
| </dl> |
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| <h4>getNumNondefaultElements</h4> |
| <pre>public int getNumNondefaultElements()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getNumNondefaultElements--">Vector</a></code></span></div> |
| <div class="block">Return the number of values in the recipient which are not the default value. For instance, for a |
| sparse vector, this would be the number of non-zero values.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getNumNondefaultElements--">getNumNondefaultElements</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an int</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="times-double-"> |
| <!-- --> |
| </a> |
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| <h4>times</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> times(double x)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#times-double-">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the product of each value of the recipient and the argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#times-double-">times</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - a double argument</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="times-org.apache.mahout.math.Vector-"> |
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| <h4>times</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> times(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> x)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#times-org.apache.mahout.math.Vector-">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the element-wise product of the recipient and the argument</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#times-org.apache.mahout.math.Vector-">times</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - a Vector argument</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="viewPart-int-int-"> |
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| </a> |
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| <h4>viewPart</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> viewPart(int offset, |
| int length)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#viewPart-int-int-">Vector</a></code></span></div> |
| <div class="block">Return a new vector containing the subset of the recipient</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#viewPart-int-int-">viewPart</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offset</code> - an int offset into the receiver</dd> |
| <dd><code>length</code> - the cardinality of the desired result</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Vector</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="zSum--"> |
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| <h4>zSum</h4> |
| <pre>public double zSum()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#zSum--">Vector</a></code></span></div> |
| <div class="block">Return the sum of all the elements of the receiver</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#zSum--">zSum</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a double</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="cross-org.apache.mahout.math.Vector-"> |
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| <h4>cross</h4> |
| <pre>public <a href="../../../../org/apache/mahout/math/Matrix.html" title="interface in org.apache.mahout.math">Matrix</a> cross(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#cross-org.apache.mahout.math.Vector-">Vector</a></code></span></div> |
| <div class="block">Return the cross product of the receiver and the other vector</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#cross-org.apache.mahout.math.Vector-">cross</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>other</code> - another Vector</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a Matrix</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="aggregate-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleFunction-"> |
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| <h4>aggregate</h4> |
| <pre>public double aggregate(<a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> aggregator, |
| <a href="../../../../org/apache/mahout/math/function/DoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleFunction</a> map)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#aggregate-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleFunction-">Vector</a></code></span></div> |
| <div class="block">Examples speak louder than words: aggregate(plus, pow(2)) is another way to say |
| getLengthSquared(), aggregate(max, abs) is norm(Double.POSITIVE_INFINITY). To sum all of the positive values, |
| aggregate(plus, max(0)).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#aggregate-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleFunction-">aggregate</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>aggregator</code> - used to combine the current value of the aggregation with the result of map.apply(nextValue)</dd> |
| <dd><code>map</code> - a function to apply to each element of the vector in turn before passing to the aggregator</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the final aggregation</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="aggregate-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleDoubleFunction-"> |
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| </a> |
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| <h4>aggregate</h4> |
| <pre>public double aggregate(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> other, |
| <a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> aggregator, |
| <a href="../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a> combiner)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#aggregate-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleDoubleFunction-">Vector</a></code></span></div> |
| <div class="block"><p>Generalized inner product - take two vectors, iterate over them both, using the combiner to combine together |
| (and possibly map in some way) each pair of values, which are then aggregated with the previous accumulated |
| value in the combiner.</p> |
| <p> |
| Example: dot(other) could be expressed as aggregate(other, Plus, Times), and kernelized inner products (which |
| are symmetric on the indices) work similarly.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#aggregate-org.apache.mahout.math.Vector-org.apache.mahout.math.function.DoubleDoubleFunction-org.apache.mahout.math.function.DoubleDoubleFunction-">aggregate</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>other</code> - a vector to aggregate in combination with</dd> |
| <dd><code>aggregator</code> - function we're aggregating with; fa</dd> |
| <dd><code>combiner</code> - function we're combining with; fc</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the final aggregation; <code>if r0 = fc(this[0], other[0]), ri = fa(r_{i-1}, fc(this[i], other[i])) |
| for all i > 0</code></dd> |
| </dl> |
| </li> |
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| <a name="getLengthSquared--"> |
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| <h4>getLengthSquared</h4> |
| <pre>public double getLengthSquared()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getLengthSquared--">Vector</a></code></span></div> |
| <div class="block">Return the sum of squares of all elements in the vector. Square root of |
| this value is the length of the vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getLengthSquared--">getLengthSquared</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
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| <h4>getDistanceSquared</h4> |
| <pre>public double getDistanceSquared(<a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a> v)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getDistanceSquared-org.apache.mahout.math.Vector-">Vector</a></code></span></div> |
| <div class="block">Get the square of the distance between this vector and the other vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getDistanceSquared-org.apache.mahout.math.Vector-">getDistanceSquared</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
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| <h4>getLookupCost</h4> |
| <pre>public double getLookupCost()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getLookupCost--">Vector</a></code></span></div> |
| <div class="block">Gets an estimate of the cost (in number of operations) it takes to lookup a random element in this vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getLookupCost--">getLookupCost</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
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| <h4>getIteratorAdvanceCost</h4> |
| <pre>public double getIteratorAdvanceCost()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#getIteratorAdvanceCost--">Vector</a></code></span></div> |
| <div class="block">Gets an estimate of the cost (in number of operations) it takes to advance an iterator through the nonzero |
| elements of this vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#getIteratorAdvanceCost--">getIteratorAdvanceCost</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
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| <h4>isAddConstantTime</h4> |
| <pre>public boolean isAddConstantTime()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/mahout/math/Vector.html#isAddConstantTime--">Vector</a></code></span></div> |
| <div class="block">Return true iff adding a new (nonzero) element takes constant time for this vector.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/mahout/math/Vector.html#isAddConstantTime--">isAddConstantTime</a></code> in interface <code><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></code></dd> |
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