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| <h2 title="Class TimesFunction" class="title">Class TimesFunction</h2> |
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| <li><a href="../../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">org.apache.mahout.math.function.DoubleDoubleFunction</a></li> |
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| <pre>public final class <span class="typeNameLabel">TimesFunction</span> |
| extends <a href="../../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a></pre> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/function/TimesFunction.html#TimesFunction--">TimesFunction</a></span>()</code> </td> |
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| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/function/TimesFunction.html#apply-double-double-">apply</a></span>(double x, |
| double y)</code> |
| <div class="block">Computes the product of two numbers.</div> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/function/TimesFunction.html#isAssociative--">isAssociative</a></span>()</code> |
| <div class="block">x * (y * z) = (x * y) * z for any x, y, z</div> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/function/TimesFunction.html#isCommutative--">isCommutative</a></span>()</code> |
| <div class="block">x * y = y * x for any x, y</div> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/function/TimesFunction.html#isLikeLeftMult--">isLikeLeftMult</a></span>()</code> |
| <div class="block">0 * y = 0 for any y</div> |
| </td> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/function/TimesFunction.html#isLikeRightMult--">isLikeRightMult</a></span>()</code> |
| <div class="block">x * 0 = 0 for any x</div> |
| </td> |
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| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/function/TimesFunction.html#isLikeRightPlus--">isLikeRightPlus</a></span>()</code> |
| <div class="block">x * 0 = y only if y = 0</div> |
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| <code><a href="../../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html#isAssociativeAndCommutative--">isAssociativeAndCommutative</a>, <a href="../../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html#isDensifying--">isDensifying</a>, <a href="../../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html#isLikeMult--">isLikeMult</a></code></li> |
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| <h4>TimesFunction</h4> |
| <pre>public TimesFunction()</pre> |
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| <pre>public double apply(double x, |
| double y)</pre> |
| <div class="block">Computes the product of two numbers.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html#apply-double-double-">apply</a></code> in class <code><a href="../../../../../org/apache/mahout/math/function/DoubleDoubleFunction.html" title="class in org.apache.mahout.math.function">DoubleDoubleFunction</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>x</code> - first argument</dd> |
| <dd><code>y</code> - second argument</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the product</dd> |
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| <dd>true iff f(x, 0) = x for any x</dd> |
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| <dd>true iff f(0, y) = 0 for any y</dd> |
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| <dd>true iff f(x, 0) = 0 for any x</dd> |
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| <pre>public boolean isCommutative()</pre> |
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| <dd>true iff f(x, y) = f(y, x) for any x, y</dd> |
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| <div class="block">x * (y * z) = (x * y) * z for any x, y, z</div> |
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| <dd>true iff f(x, f(y, z)) = f(f(x, y), z) for any x, y, z</dd> |
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