| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.commons.math.linear; |
| |
| import org.apache.commons.math.linear.MatrixVisitorException; |
| |
| |
| /** |
| * Interface defining a real-valued matrix with basic algebraic operations. |
| * <p> |
| * Matrix element indexing is 0-based -- e.g., <code>getEntry(0, 0)</code> |
| * returns the element in the first row, first column of the matrix.</p> |
| * |
| * @version $Revision: 1073158 $ $Date: 2011-02-21 22:46:52 +0100 (lun. 21 févr. 2011) $ |
| */ |
| public interface RealMatrix extends AnyMatrix { |
| |
| /** |
| * Create a new RealMatrix of the same type as the instance with the supplied |
| * row and column dimensions. |
| * |
| * @param rowDimension the number of rows in the new matrix |
| * @param columnDimension the number of columns in the new matrix |
| * @return a new matrix of the same type as the instance |
| * @throws IllegalArgumentException if row or column dimension is not positive |
| * @since 2.0 |
| */ |
| RealMatrix createMatrix(final int rowDimension, final int columnDimension); |
| |
| /** |
| * Returns a (deep) copy of this. |
| * |
| * @return matrix copy |
| */ |
| RealMatrix copy(); |
| |
| /** |
| * Compute the sum of this and m. |
| * |
| * @param m matrix to be added |
| * @return this + m |
| * @throws IllegalArgumentException if m is not the same size as this |
| */ |
| RealMatrix add(RealMatrix m) throws IllegalArgumentException; |
| |
| /** |
| * Compute this minus m. |
| * |
| * @param m matrix to be subtracted |
| * @return this - m |
| * @throws IllegalArgumentException if m is not the same size as this |
| */ |
| RealMatrix subtract(RealMatrix m) throws IllegalArgumentException; |
| |
| /** |
| * Returns the result of adding d to each entry of this. |
| * |
| * @param d value to be added to each entry |
| * @return d + this |
| */ |
| RealMatrix scalarAdd(double d); |
| |
| /** |
| * Returns the result multiplying each entry of this by d. |
| * |
| * @param d value to multiply all entries by |
| * @return d * this |
| */ |
| RealMatrix scalarMultiply(double d); |
| |
| /** |
| * Returns the result of postmultiplying this by m. |
| * |
| * @param m matrix to postmultiply by |
| * @return this * m |
| * @throws IllegalArgumentException |
| * if columnDimension(this) != rowDimension(m) |
| */ |
| RealMatrix multiply(RealMatrix m) throws IllegalArgumentException; |
| |
| /** |
| * Returns the result premultiplying this by <code>m</code>. |
| * @param m matrix to premultiply by |
| * @return m * this |
| * @throws IllegalArgumentException |
| * if rowDimension(this) != columnDimension(m) |
| */ |
| RealMatrix preMultiply(RealMatrix m) throws IllegalArgumentException; |
| |
| /** |
| * Returns matrix entries as a two-dimensional array. |
| * |
| * @return 2-dimensional array of entries |
| */ |
| double[][] getData(); |
| |
| /** |
| * Returns the <a href="http://mathworld.wolfram.com/MaximumAbsoluteRowSumNorm.html"> |
| * maximum absolute row sum norm</a> of the matrix. |
| * |
| * @return norm |
| */ |
| double getNorm(); |
| |
| /** |
| * Returns the <a href="http://mathworld.wolfram.com/FrobeniusNorm.html"> |
| * Frobenius norm</a> of the matrix. |
| * |
| * @return norm |
| */ |
| double getFrobeniusNorm(); |
| |
| /** |
| * Gets a submatrix. Rows and columns are indicated |
| * counting from 0 to n-1. |
| * |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index (inclusive) |
| * @return The subMatrix containing the data of the |
| * specified rows and columns |
| * @exception MatrixIndexException if the indices are not valid |
| */ |
| RealMatrix getSubMatrix(int startRow, int endRow, int startColumn, int endColumn) |
| throws MatrixIndexException; |
| |
| /** |
| * Gets a submatrix. Rows and columns are indicated |
| * counting from 0 to n-1. |
| * |
| * @param selectedRows Array of row indices. |
| * @param selectedColumns Array of column indices. |
| * @return The subMatrix containing the data in the |
| * specified rows and columns |
| * @exception MatrixIndexException if row or column selections are not valid |
| */ |
| RealMatrix getSubMatrix(int[] selectedRows, int[] selectedColumns) |
| throws MatrixIndexException; |
| |
| /** |
| * Copy a submatrix. Rows and columns are indicated |
| * counting from 0 to n-1. |
| * |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index (inclusive) |
| * @param destination The arrays where the submatrix data should be copied |
| * (if larger than rows/columns counts, only the upper-left part will be used) |
| * @exception MatrixIndexException if the indices are not valid |
| * @exception IllegalArgumentException if the destination array is too small |
| */ |
| void copySubMatrix(int startRow, int endRow, int startColumn, int endColumn, |
| double[][] destination) |
| throws MatrixIndexException, IllegalArgumentException; |
| |
| /** |
| * Copy a submatrix. Rows and columns are indicated |
| * counting from 0 to n-1. |
| * |
| * @param selectedRows Array of row indices. |
| * @param selectedColumns Array of column indices. |
| * @param destination The arrays where the submatrix data should be copied |
| * (if larger than rows/columns counts, only the upper-left part will be used) |
| * @exception MatrixIndexException if the indices are not valid |
| * @exception IllegalArgumentException if the destination array is too small |
| */ |
| void copySubMatrix(int[] selectedRows, int[] selectedColumns, double[][] destination) |
| throws MatrixIndexException, IllegalArgumentException; |
| |
| /** |
| * Replace the submatrix starting at <code>row, column</code> using data in |
| * the input <code>subMatrix</code> array. Indexes are 0-based. |
| * <p> |
| * Example:<br> |
| * Starting with <pre> |
| * 1 2 3 4 |
| * 5 6 7 8 |
| * 9 0 1 2 |
| * </pre> |
| * and <code>subMatrix = {{3, 4} {5,6}}</code>, invoking |
| * <code>setSubMatrix(subMatrix,1,1))</code> will result in <pre> |
| * 1 2 3 4 |
| * 5 3 4 8 |
| * 9 5 6 2 |
| * </pre></p> |
| * |
| * @param subMatrix array containing the submatrix replacement data |
| * @param row row coordinate of the top, left element to be replaced |
| * @param column column coordinate of the top, left element to be replaced |
| * @throws MatrixIndexException if subMatrix does not fit into this |
| * matrix from element in (row, column) |
| * @throws IllegalArgumentException if <code>subMatrix</code> is not rectangular |
| * (not all rows have the same length) or empty |
| * @throws NullPointerException if <code>subMatrix</code> is null |
| * @since 2.0 |
| */ |
| void setSubMatrix(double[][] subMatrix, int row, int column) |
| throws MatrixIndexException; |
| |
| /** |
| * Returns the entries in row number <code>row</code> |
| * as a row matrix. Row indices start at 0. |
| * |
| * @param row the row to be fetched |
| * @return row matrix |
| * @throws MatrixIndexException if the specified row index is invalid |
| */ |
| RealMatrix getRowMatrix(int row) throws MatrixIndexException; |
| |
| /** |
| * Sets the entries in row number <code>row</code> |
| * as a row matrix. Row indices start at 0. |
| * |
| * @param row the row to be set |
| * @param matrix row matrix (must have one row and the same number of columns |
| * as the instance) |
| * @throws MatrixIndexException if the specified row index is invalid |
| * @throws InvalidMatrixException if the matrix dimensions do not match one |
| * instance row |
| */ |
| void setRowMatrix(int row, RealMatrix matrix) |
| throws MatrixIndexException, InvalidMatrixException; |
| |
| /** |
| * Returns the entries in column number <code>column</code> |
| * as a column matrix. Column indices start at 0. |
| * |
| * @param column the column to be fetched |
| * @return column matrix |
| * @throws MatrixIndexException if the specified column index is invalid |
| */ |
| RealMatrix getColumnMatrix(int column) throws MatrixIndexException; |
| |
| /** |
| * Sets the entries in column number <code>column</code> |
| * as a column matrix. Column indices start at 0. |
| * |
| * @param column the column to be set |
| * @param matrix column matrix (must have one column and the same number of rows |
| * as the instance) |
| * @throws MatrixIndexException if the specified column index is invalid |
| * @throws InvalidMatrixException if the matrix dimensions do not match one |
| * instance column |
| */ |
| void setColumnMatrix(int column, RealMatrix matrix) |
| throws MatrixIndexException, InvalidMatrixException; |
| |
| /** |
| * Returns the entries in row number <code>row</code> |
| * as a vector. Row indices start at 0. |
| * |
| * @param row the row to be fetched |
| * @return row vector |
| * @throws MatrixIndexException if the specified row index is invalid |
| */ |
| RealVector getRowVector(int row) throws MatrixIndexException; |
| |
| /** |
| * Sets the entries in row number <code>row</code> |
| * as a vector. Row indices start at 0. |
| * |
| * @param row the row to be set |
| * @param vector row vector (must have the same number of columns |
| * as the instance) |
| * @throws MatrixIndexException if the specified row index is invalid |
| * @throws InvalidMatrixException if the vector dimension does not match one |
| * instance row |
| */ |
| void setRowVector(int row, RealVector vector) |
| throws MatrixIndexException, InvalidMatrixException; |
| |
| /** |
| * Returns the entries in column number <code>column</code> |
| * as a vector. Column indices start at 0. |
| * |
| * @param column the column to be fetched |
| * @return column vector |
| * @throws MatrixIndexException if the specified column index is invalid |
| */ |
| RealVector getColumnVector(int column) throws MatrixIndexException; |
| |
| /** |
| * Sets the entries in column number <code>column</code> |
| * as a vector. Column indices start at 0. |
| * |
| * @param column the column to be set |
| * @param vector column vector (must have the same number of rows as the instance) |
| * @throws MatrixIndexException if the specified column index is invalid |
| * @throws InvalidMatrixException if the vector dimension does not match one |
| * instance column |
| */ |
| void setColumnVector(int column, RealVector vector) |
| throws MatrixIndexException, InvalidMatrixException; |
| |
| /** |
| * Returns the entries in row number <code>row</code> as an array. |
| * <p> |
| * Row indices start at 0. A <code>MatrixIndexException</code> is thrown |
| * unless <code>0 <= row < rowDimension.</code></p> |
| * |
| * @param row the row to be fetched |
| * @return array of entries in the row |
| * @throws MatrixIndexException if the specified row index is not valid |
| */ |
| double[] getRow(int row) throws MatrixIndexException; |
| |
| /** |
| * Sets the entries in row number <code>row</code> |
| * as a row matrix. Row indices start at 0. |
| * |
| * @param row the row to be set |
| * @param array row matrix (must have the same number of columns as the instance) |
| * @throws MatrixIndexException if the specified row index is invalid |
| * @throws InvalidMatrixException if the array size does not match one |
| * instance row |
| */ |
| void setRow(int row, double[] array) |
| throws MatrixIndexException, InvalidMatrixException; |
| |
| /** |
| * Returns the entries in column number <code>col</code> as an array. |
| * <p> |
| * Column indices start at 0. A <code>MatrixIndexException</code> is thrown |
| * unless <code>0 <= column < columnDimension.</code></p> |
| * |
| * @param column the column to be fetched |
| * @return array of entries in the column |
| * @throws MatrixIndexException if the specified column index is not valid |
| */ |
| double[] getColumn(int column) throws MatrixIndexException; |
| |
| /** |
| * Sets the entries in column number <code>column</code> |
| * as a column matrix. Column indices start at 0. |
| * |
| * @param column the column to be set |
| * @param array column array (must have the same number of rows as the instance) |
| * @throws MatrixIndexException if the specified column index is invalid |
| * @throws InvalidMatrixException if the array size does not match one |
| * instance column |
| */ |
| void setColumn(int column, double[] array) |
| throws MatrixIndexException, InvalidMatrixException; |
| |
| /** |
| * Returns the entry in the specified row and column. |
| * <p> |
| * Row and column indices start at 0 and must satisfy |
| * <ul> |
| * <li><code>0 <= row < rowDimension</code></li> |
| * <li><code> 0 <= column < columnDimension</code></li> |
| * </ul> |
| * otherwise a <code>MatrixIndexException</code> is thrown.</p> |
| * |
| * @param row row location of entry to be fetched |
| * @param column column location of entry to be fetched |
| * @return matrix entry in row,column |
| * @throws MatrixIndexException if the row or column index is not valid |
| */ |
| double getEntry(int row, int column) throws MatrixIndexException; |
| |
| /** |
| * Set the entry in the specified row and column. |
| * <p> |
| * Row and column indices start at 0 and must satisfy |
| * <ul> |
| * <li><code>0 <= row < rowDimension</code></li> |
| * <li><code> 0 <= column < columnDimension</code></li> |
| * </ul> |
| * otherwise a <code>MatrixIndexException</code> is thrown.</p> |
| * |
| * @param row row location of entry to be set |
| * @param column column location of entry to be set |
| * @param value matrix entry to be set in row,column |
| * @throws MatrixIndexException if the row or column index is not valid |
| * @since 2.0 |
| */ |
| void setEntry(int row, int column, double value) throws MatrixIndexException; |
| |
| /** |
| * Change an entry in the specified row and column. |
| * <p> |
| * Row and column indices start at 0 and must satisfy |
| * <ul> |
| * <li><code>0 <= row < rowDimension</code></li> |
| * <li><code> 0 <= column < columnDimension</code></li> |
| * </ul> |
| * otherwise a <code>MatrixIndexException</code> is thrown.</p> |
| * |
| * @param row row location of entry to be set |
| * @param column column location of entry to be set |
| * @param increment value to add to the current matrix entry in row,column |
| * @throws MatrixIndexException if the row or column index is not valid |
| * @since 2.0 |
| */ |
| void addToEntry(int row, int column, double increment) throws MatrixIndexException; |
| |
| /** |
| * Change an entry in the specified row and column. |
| * <p> |
| * Row and column indices start at 0 and must satisfy |
| * <ul> |
| * <li><code>0 <= row < rowDimension</code></li> |
| * <li><code> 0 <= column < columnDimension</code></li> |
| * </ul> |
| * otherwise a <code>MatrixIndexException</code> is thrown.</p> |
| * |
| * @param row row location of entry to be set |
| * @param column column location of entry to be set |
| * @param factor multiplication factor for the current matrix entry in row,column |
| * @throws MatrixIndexException if the row or column index is not valid |
| * @since 2.0 |
| */ |
| void multiplyEntry(int row, int column, double factor) throws MatrixIndexException; |
| |
| /** |
| * Returns the transpose of this matrix. |
| * |
| * @return transpose matrix |
| */ |
| RealMatrix transpose(); |
| |
| /** |
| * Returns the inverse of this matrix. |
| * |
| * @return inverse matrix |
| * @throws InvalidMatrixException if this is not invertible |
| * @deprecated as of release 2.0, replaced by <code> |
| * {@link LUDecompositionImpl#LUDecompositionImpl(RealMatrix) |
| * new LUDecompositionImpl(m)}.{@link LUDecomposition#getSolver() |
| * getSolver()}.{@link DecompositionSolver#getInverse() |
| * getInverse()}</code> |
| */ |
| @Deprecated |
| RealMatrix inverse() throws InvalidMatrixException; |
| |
| /** |
| * Returns the determinant of this matrix. |
| * |
| * @return determinant |
| * @deprecated as of release 2.0, replaced by <code> |
| * {@link LUDecompositionImpl#LUDecompositionImpl(RealMatrix) |
| * new LUDecompositionImpl(m)}.{@link LUDecomposition#getDeterminant() |
| * getDeterminant()}</code> |
| */ |
| @Deprecated |
| double getDeterminant(); |
| |
| /** |
| * Is this a singular matrix? |
| * @return true if the matrix is singular |
| * @deprecated as of release 2.0, replaced by the boolean negation of |
| * <code>{@link LUDecompositionImpl#LUDecompositionImpl(RealMatrix) |
| * new LUDecompositionImpl(m)}.{@link LUDecomposition#getSolver() |
| * getSolver()}.{@link DecompositionSolver#isNonSingular() |
| * isNonSingular()}</code> |
| */ |
| @Deprecated |
| boolean isSingular(); |
| |
| /** |
| * Returns the <a href="http://mathworld.wolfram.com/MatrixTrace.html"> |
| * trace</a> of the matrix (the sum of the elements on the main diagonal). |
| * |
| * @return trace |
| * @throws NonSquareMatrixException if the matrix is not square |
| */ |
| double getTrace() throws NonSquareMatrixException; |
| |
| /** |
| * Returns the result of multiplying this by the vector <code>v</code>. |
| * |
| * @param v the vector to operate on |
| * @return this*v |
| * @throws IllegalArgumentException if columnDimension != v.size() |
| */ |
| double[] operate(double[] v) throws IllegalArgumentException; |
| |
| /** |
| * Returns the result of multiplying this by the vector <code>v</code>. |
| * |
| * @param v the vector to operate on |
| * @return this*v |
| * @throws IllegalArgumentException if columnDimension != v.size() |
| */ |
| RealVector operate(RealVector v) throws IllegalArgumentException; |
| |
| /** |
| * Returns the (row) vector result of premultiplying this by the vector <code>v</code>. |
| * |
| * @param v the row vector to premultiply by |
| * @return v*this |
| * @throws IllegalArgumentException if rowDimension != v.size() |
| */ |
| double[] preMultiply(double[] v) throws IllegalArgumentException; |
| |
| /** |
| * Returns the (row) vector result of premultiplying this by the vector <code>v</code>. |
| * |
| * @param v the row vector to premultiply by |
| * @return v*this |
| * @throws IllegalArgumentException if rowDimension != v.size() |
| */ |
| RealVector preMultiply(RealVector v) throws IllegalArgumentException; |
| |
| /** |
| * Visit (and possibly change) all matrix entries in row order. |
| * <p>Row order starts at upper left and iterating through all elements |
| * of a row from left to right before going to the leftmost element |
| * of the next row.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixChangingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInRowOrder(RealMatrixChangingVisitor visitor) |
| throws MatrixVisitorException; |
| |
| /** |
| * Visit (but don't change) all matrix entries in row order. |
| * <p>Row order starts at upper left and iterating through all elements |
| * of a row from left to right before going to the leftmost element |
| * of the next row.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixPreservingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInRowOrder(RealMatrixPreservingVisitor visitor) |
| throws MatrixVisitorException; |
| |
| /** |
| * Visit (and possibly change) some matrix entries in row order. |
| * <p>Row order starts at upper left and iterating through all elements |
| * of a row from left to right before going to the leftmost element |
| * of the next row.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @exception MatrixIndexException if the indices are not valid |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixChangingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInRowOrder(RealMatrixChangingVisitor visitor, |
| int startRow, int endRow, int startColumn, int endColumn) |
| throws MatrixIndexException, MatrixVisitorException; |
| |
| /** |
| * Visit (but don't change) some matrix entries in row order. |
| * <p>Row order starts at upper left and iterating through all elements |
| * of a row from left to right before going to the leftmost element |
| * of the next row.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @exception MatrixIndexException if the indices are not valid |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixPreservingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInRowOrder(RealMatrixPreservingVisitor visitor, |
| int startRow, int endRow, int startColumn, int endColumn) |
| throws MatrixIndexException, MatrixVisitorException; |
| |
| /** |
| * Visit (and possibly change) all matrix entries in column order. |
| * <p>Column order starts at upper left and iterating through all elements |
| * of a column from top to bottom before going to the topmost element |
| * of the next column.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixChangingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInColumnOrder(RealMatrixChangingVisitor visitor) |
| throws MatrixVisitorException; |
| |
| /** |
| * Visit (but don't change) all matrix entries in column order. |
| * <p>Column order starts at upper left and iterating through all elements |
| * of a column from top to bottom before going to the topmost element |
| * of the next column.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixPreservingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInColumnOrder(RealMatrixPreservingVisitor visitor) |
| throws MatrixVisitorException; |
| |
| /** |
| * Visit (and possibly change) some matrix entries in column order. |
| * <p>Column order starts at upper left and iterating through all elements |
| * of a column from top to bottom before going to the topmost element |
| * of the next column.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @exception MatrixIndexException if the indices are not valid |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixChangingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInColumnOrder(RealMatrixChangingVisitor visitor, |
| int startRow, int endRow, int startColumn, int endColumn) |
| throws MatrixIndexException, MatrixVisitorException; |
| |
| /** |
| * Visit (but don't change) some matrix entries in column order. |
| * <p>Column order starts at upper left and iterating through all elements |
| * of a column from top to bottom before going to the topmost element |
| * of the next column.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @exception MatrixIndexException if the indices are not valid |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixPreservingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInColumnOrder(RealMatrixPreservingVisitor visitor, |
| int startRow, int endRow, int startColumn, int endColumn) |
| throws MatrixIndexException, MatrixVisitorException; |
| |
| /** |
| * Visit (and possibly change) all matrix entries using the fastest possible order. |
| * <p>The fastest walking order depends on the exact matrix class. It may be |
| * different from traditional row or column orders.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixChangingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInOptimizedOrder(RealMatrixChangingVisitor visitor) |
| throws MatrixVisitorException; |
| |
| /** |
| * Visit (but don't change) all matrix entries using the fastest possible order. |
| * <p>The fastest walking order depends on the exact matrix class. It may be |
| * different from traditional row or column orders.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixPreservingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInOptimizedOrder(RealMatrixPreservingVisitor visitor) |
| throws MatrixVisitorException; |
| |
| /** |
| * Visit (and possibly change) some matrix entries using the fastest possible order. |
| * <p>The fastest walking order depends on the exact matrix class. It may be |
| * different from traditional row or column orders.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index (inclusive) |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @exception MatrixIndexException if the indices are not valid |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixChangingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInOptimizedOrder(RealMatrixChangingVisitor visitor, |
| int startRow, int endRow, int startColumn, int endColumn) |
| throws MatrixIndexException, MatrixVisitorException; |
| |
| /** |
| * Visit (but don't change) some matrix entries using the fastest possible order. |
| * <p>The fastest walking order depends on the exact matrix class. It may be |
| * different from traditional row or column orders.</p> |
| * @param visitor visitor used to process all matrix entries |
| * @param startRow Initial row index |
| * @param endRow Final row index (inclusive) |
| * @param startColumn Initial column index |
| * @param endColumn Final column index (inclusive) |
| * @exception MatrixVisitorException if the visitor cannot process an entry |
| * @exception MatrixIndexException if the indices are not valid |
| * @see #walkInRowOrder(RealMatrixChangingVisitor) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor) |
| * @see #walkInRowOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInRowOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor) |
| * @see #walkInColumnOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @see #walkInColumnOrder(RealMatrixPreservingVisitor, int, int, int, int) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixPreservingVisitor) |
| * @see #walkInOptimizedOrder(RealMatrixChangingVisitor, int, int, int, int) |
| * @return the value returned by {@link RealMatrixPreservingVisitor#end()} at the end |
| * of the walk |
| */ |
| double walkInOptimizedOrder(RealMatrixPreservingVisitor visitor, |
| int startRow, int endRow, int startColumn, int endColumn) |
| throws MatrixIndexException, MatrixVisitorException; |
| |
| /** |
| * Returns the solution vector for a linear system with coefficient |
| * matrix = this and constant vector = <code>b</code>. |
| * |
| * @param b constant vector |
| * @return vector of solution values to AX = b, where A is *this |
| * @throws IllegalArgumentException if this.rowDimension != b.length |
| * @throws InvalidMatrixException if this matrix is not square or is singular |
| * @deprecated as of release 2.0, replaced by {@link DecompositionSolver#solve(double[])} |
| */ |
| @Deprecated |
| double[] solve(double[] b) throws IllegalArgumentException, InvalidMatrixException; |
| |
| /** |
| * Returns a matrix of (column) solution vectors for linear systems with |
| * coefficient matrix = this and constant vectors = columns of |
| * <code>b</code>. |
| * |
| * @param b matrix of constant vectors forming RHS of linear systems to |
| * to solve |
| * @return matrix of solution vectors |
| * @throws IllegalArgumentException if this.rowDimension != row dimension |
| * @throws InvalidMatrixException if this matrix is not square or is singular |
| * @deprecated as of release 2.0, replaced by {@link DecompositionSolver#solve(RealMatrix)} |
| */ |
| @Deprecated |
| RealMatrix solve(RealMatrix b) throws IllegalArgumentException, InvalidMatrixException; |
| |
| } |