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| <h1 title="Package" class="title">Package org.apache.mahout.math</h1> |
| <div class="docSummary"> |
| <div class="block">Core base classes; Operations on primitive arrays such as sorting, partitioning and permuting.</div> |
| </div> |
| <p>See: <a href="#package.description">Description</a></p> |
| </div> |
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| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Matrix.html" title="interface in org.apache.mahout.math">Matrix</a></td> |
| <td class="colLast"> |
| <div class="block">The basic interface including numerous convenience functions</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/MatrixTimesOps.html" title="interface in org.apache.mahout.math">MatrixTimesOps</a></td> |
| <td class="colLast"> |
| <div class="block">Optional interface for optimized matrix multiplications.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/QR.html" title="interface in org.apache.mahout.math">QR</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Swapper.html" title="interface in org.apache.mahout.math">Swapper</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for an object that knows how to swap elements at two positions (a,b).</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Vector.html" title="interface in org.apache.mahout.math">Vector</a></td> |
| <td class="colLast"> |
| <div class="block">The basic interface including numerous convenience functions</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Vector.Element.html" title="interface in org.apache.mahout.math">Vector.Element</a></td> |
| <td class="colLast"> |
| <div class="block">A holder for information about a specific item in the Vector.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorIterable.html" title="interface in org.apache.mahout.math">VectorIterable</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/AbstractMatrix.html" title="class in org.apache.mahout.math">AbstractMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">A few universal implementations of convenience functions for a JVM-backed matrix.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/AbstractMatrix.TransposeViewVector.html" title="class in org.apache.mahout.math">AbstractMatrix.TransposeViewVector</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/AbstractVector.html" title="class in org.apache.mahout.math">AbstractVector</a></td> |
| <td class="colLast"> |
| <div class="block">Implementations of generic capabilities like sum of elements and dot products</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Algebra.html" title="class in org.apache.mahout.math">Algebra</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Arrays.html" title="class in org.apache.mahout.math">Arrays</a></td> |
| <td class="colLast"> |
| <div class="block">Array manipulations; complements <tt>java.util.Arrays</tt>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/BinarySearch.html" title="class in org.apache.mahout.math">BinarySearch</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Centroid.html" title="class in org.apache.mahout.math">Centroid</a></td> |
| <td class="colLast"> |
| <div class="block">A centroid is a weighted vector.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/CholeskyDecomposition.html" title="class in org.apache.mahout.math">CholeskyDecomposition</a></td> |
| <td class="colLast"> |
| <div class="block">Cholesky decomposition shamelessly ported from JAMA.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/ConstantVector.html" title="class in org.apache.mahout.math">ConstantVector</a></td> |
| <td class="colLast"> |
| <div class="block">Implements a vector with all the same values.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/DelegatingVector.html" title="class in org.apache.mahout.math">DelegatingVector</a></td> |
| <td class="colLast"> |
| <div class="block">A delegating vector provides an easy way to decorate vectors with weights or id's and such while |
| keeping all of the Vector functionality.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/DenseMatrix.html" title="class in org.apache.mahout.math">DenseMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">Matrix of doubles implemented using a 2-d array</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/DenseSymmetricMatrix.html" title="class in org.apache.mahout.math">DenseSymmetricMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">Economy packaging for a dense symmetric in-core matrix.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/DenseVector.html" title="class in org.apache.mahout.math">DenseVector</a></td> |
| <td class="colLast"> |
| <div class="block">Implements vector as an array of doubles</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/DiagonalMatrix.html" title="class in org.apache.mahout.math">DiagonalMatrix</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/FileBasedMatrix.html" title="class in org.apache.mahout.math">FileBasedMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">Provides a way to get data from a file and treat it as if it were a matrix, but avoids putting all that |
| data onto the Java heap.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/FileBasedSparseBinaryMatrix.html" title="class in org.apache.mahout.math">FileBasedSparseBinaryMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">Provides a way to get data from a file and treat it as if it were a matrix, but avoids putting |
| all that data onto the Java heap.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/FileBasedSparseBinaryMatrix.BinaryReadOnlyElement.html" title="class in org.apache.mahout.math">FileBasedSparseBinaryMatrix.BinaryReadOnlyElement</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Matrices.html" title="class in org.apache.mahout.math">Matrices</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/MatrixSlice.html" title="class in org.apache.mahout.math">MatrixSlice</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/MatrixVectorView.html" title="class in org.apache.mahout.math">MatrixVectorView</a></td> |
| <td class="colLast"> |
| <div class="block">Provides a virtual vector that is really a row or column or diagonal of a matrix.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/MatrixView.html" title="class in org.apache.mahout.math">MatrixView</a></td> |
| <td class="colLast"> |
| <div class="block">Implements subset view of a Matrix</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/MurmurHash.html" title="class in org.apache.mahout.math">MurmurHash</a></td> |
| <td class="colLast"> |
| <div class="block">This is a very fast, non-cryptographic hash suitable for general hash-based |
| lookup.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/MurmurHash3.html" title="class in org.apache.mahout.math">MurmurHash3</a></td> |
| <td class="colLast"> |
| <div class="block"> |
| This produces exactly the same hash values as the final C+ |
| + * version of MurmurHash3 and is thus suitable for producing the same hash values across |
| platforms.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/NamedVector.html" title="class in org.apache.mahout.math">NamedVector</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/OldQRDecomposition.html" title="class in org.apache.mahout.math">OldQRDecomposition</a></td> |
| <td class="colLast"> |
| <div class="block">partially deprecated until unit tests are in place.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/OrderedIntDoubleMapping.html" title="class in org.apache.mahout.math">OrderedIntDoubleMapping</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/OrthonormalityVerifier.html" title="class in org.apache.mahout.math">OrthonormalityVerifier</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/PermutedVectorView.html" title="class in org.apache.mahout.math">PermutedVectorView</a></td> |
| <td class="colLast"> |
| <div class="block">Provides a permuted view of a vector.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/PersistentObject.html" title="class in org.apache.mahout.math">PersistentObject</a></td> |
| <td class="colLast"> |
| <div class="block">This empty class is the common root for all persistent capable classes.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/PivotedMatrix.html" title="class in org.apache.mahout.math">PivotedMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">Matrix that allows transparent row and column permutation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/QRDecomposition.html" title="class in org.apache.mahout.math">QRDecomposition</a></td> |
| <td class="colLast"> |
| <div class="block">For an <tt>m x n</tt> matrix <tt>A</tt> with <code>m >= n</code>, the QR decomposition is an <tt>m x n</tt> |
| orthogonal matrix <tt>Q</tt> and an <tt>n x n</tt> upper triangular matrix <tt>R</tt> so that |
| <tt>A = Q*R</tt>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/RandomAccessSparseVector.html" title="class in org.apache.mahout.math">RandomAccessSparseVector</a></td> |
| <td class="colLast"> |
| <div class="block">Implements vector that only stores non-zero doubles</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/RandomTrinaryMatrix.html" title="class in org.apache.mahout.math">RandomTrinaryMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">Random matrix.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/SequentialAccessSparseVector.html" title="class in org.apache.mahout.math">SequentialAccessSparseVector</a></td> |
| <td class="colLast"> |
| <div class="block"> |
| Implements vector that only stores non-zero doubles as a pair of parallel arrays (OrderedIntDoubleMapping), |
| one int[], one double[].</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/SingularValueDecomposition.html" title="class in org.apache.mahout.math">SingularValueDecomposition</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/Sorting.html" title="class in org.apache.mahout.math">Sorting</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/SparseColumnMatrix.html" title="class in org.apache.mahout.math">SparseColumnMatrix</a></td> |
| <td class="colLast">Deprecated |
| <div class="block"><span class="deprecationComment">tons of inconsistences.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/SparseMatrix.html" title="class in org.apache.mahout.math">SparseMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">Doubly sparse matrix.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/SparseRowMatrix.html" title="class in org.apache.mahout.math">SparseRowMatrix</a></td> |
| <td class="colLast"> |
| <div class="block">sparse matrix with general element values whose rows are accessible quickly.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/TransposedMatrixView.html" title="class in org.apache.mahout.math">TransposedMatrixView</a></td> |
| <td class="colLast"> |
| <div class="block">Matrix View backed by an <a href="../../../../org/apache/mahout/math/function/IntIntFunction.html" title="interface in org.apache.mahout.math.function"><code>IntIntFunction</code></a></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/UpperTriangular.html" title="class in org.apache.mahout.math">UpperTriangular</a></td> |
| <td class="colLast"> |
| <div class="block">Quick and dirty implementation of some <a href="../../../../org/apache/mahout/math/Matrix.html" title="interface in org.apache.mahout.math"><code>Matrix</code></a> methods |
| over packed upper triangular matrix.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.html" title="class in org.apache.mahout.math">VectorBinaryAggregate</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract class encapsulating different algorithms that perform the Vector operations aggregate().</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateAllIterateSequential.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateAllIterateSequential</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateAllIterateThatLookupThis.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateAllIterateThatLookupThis</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateAllIterateThisLookupThat.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateAllIterateThisLookupThat</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateAllLoop.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateAllLoop</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateIterateIntersection.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateIterateIntersection</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateIterateUnionRandom.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateIterateUnionRandom</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateIterateUnionSequential.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateIterateUnionSequential</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateNonzerosIterateThatLookupThis.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateNonzerosIterateThatLookupThis</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAggregate.AggregateNonzerosIterateThisLookupThat.html" title="class in org.apache.mahout.math">VectorBinaryAggregate.AggregateNonzerosIterateThisLookupThat</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.html" title="class in org.apache.mahout.math">VectorBinaryAssign</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract class encapsulating different algorithms that perform the Vector operations assign().</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllIterateSequentialInplaceUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllIterateSequentialInplaceUpdates</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllIterateSequentialMergeUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllIterateSequentialMergeUpdates</a></td> |
| <td class="colLast"> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllIterateThatLookupThisInplaceUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllIterateThatLookupThisInplaceUpdates</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllIterateThatLookupThisMergeUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllIterateThatLookupThisMergeUpdates</a></td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllIterateThisLookupThatInplaceUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllIterateThisLookupThatInplaceUpdates</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllIterateThisLookupThatMergeUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllIterateThisLookupThatMergeUpdates</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllLoopInplaceUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllLoopInplaceUpdates</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignAllLoopMergeUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignAllLoopMergeUpdates</a></td> |
| <td class="colLast"> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignIterateIntersection.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignIterateIntersection</a></td> |
| <td class="colLast"> |
| <div class="block">If f(x, 0) = x and f(0, y) = 0 the zeros in x and y don't matter and we can iterate through the nonzeros |
| in both x and y.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignIterateUnionRandomInplaceUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignIterateUnionRandomInplaceUpdates</a></td> |
| <td class="colLast"> |
| <div class="block">If f(0, 0) = 0 we can iterate through the nonzeros in either x or y.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignIterateUnionRandomMergeUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignIterateUnionRandomMergeUpdates</a></td> |
| <td class="colLast"> |
| <div class="block">If f(0, 0) = 0 we can iterate through the nonzeros in either x or y.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignIterateUnionSequentialInplaceUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignIterateUnionSequentialInplaceUpdates</a></td> |
| <td class="colLast"> |
| <div class="block">If f(0, 0) = 0 we can iterate through the nonzeros in either x or y.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignIterateUnionSequentialMergeUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignIterateUnionSequentialMergeUpdates</a></td> |
| <td class="colLast"> |
| <div class="block">If f(0, 0) = 0 we can iterate through the nonzeros in either x or y.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignNonzerosIterateThatLookupThisInplaceUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignNonzerosIterateThatLookupThisInplaceUpdates</a></td> |
| <td class="colLast"> |
| <div class="block">If f(x, 0) = x, the zeros in y don't matter and we can simply iterate through the nonzeros of y.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignNonzerosIterateThatLookupThisMergeUpdates.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignNonzerosIterateThatLookupThisMergeUpdates</a></td> |
| <td class="colLast"> |
| <div class="block">If f(x, 0) = x, the zeros in y don't matter and we can simply iterate through the nonzeros of y.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorBinaryAssign.AssignNonzerosIterateThisLookupThat.html" title="class in org.apache.mahout.math">VectorBinaryAssign.AssignNonzerosIterateThisLookupThat</a></td> |
| <td class="colLast"> |
| <div class="block">If f(0, y) = 0, the zeros in x don't matter and we can simply iterate through the nonzeros of x.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/VectorView.html" title="class in org.apache.mahout.math">VectorView</a></td> |
| <td class="colLast"> |
| <div class="block">Implements subset view of a Vector</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/WeightedVector.html" title="class in org.apache.mahout.math">WeightedVector</a></td> |
| <td class="colLast"> |
| <div class="block">Decorates a vector with a floating point weight and an index.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/WeightedVectorComparator.html" title="class in org.apache.mahout.math">WeightedVectorComparator</a></td> |
| <td class="colLast"> |
| <div class="block">Orders <a href="../../../../org/apache/mahout/math/WeightedVector.html" title="class in org.apache.mahout.math"><code>WeightedVector</code></a> by <a href="../../../../org/apache/mahout/math/WeightedVector.html#getWeight--"><code>WeightedVector.getWeight()</code></a>.</div> |
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| <td class="colFirst"><a href="../../../../org/apache/mahout/math/CardinalityException.html" title="class in org.apache.mahout.math">CardinalityException</a></td> |
| <td class="colLast"> |
| <div class="block">Exception thrown when there is a cardinality mismatch in matrix or vector operations.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/mahout/math/IndexException.html" title="class in org.apache.mahout.math">IndexException</a></td> |
| <td class="colLast"> |
| <div class="block">Exception thrown when a matrix or vector is accessed at an index, or dimension, |
| which does not logically exist in the entity.</div> |
| </td> |
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