public class DenseMatrix extends AbstractMatrix
AbstractMatrix.TransposeViewVectorCOL, columnLabelBindings, columns, ROW, rowLabelBindings, rows| Constructor and Description |
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DenseMatrix(double[][] values)
Construct a matrix from the given values
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DenseMatrix(double[][] values,
boolean shallowCopy)
Construct a matrix from the given values
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DenseMatrix(int rows,
int columns)
Constructs an empty matrix of the given size.
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| Modifier and Type | Method and Description |
|---|---|
Matrix |
assign(DenseMatrix matrix) |
Matrix |
assign(double value)
Assign the value to all elements of the receiver
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Matrix |
assignColumn(int column,
Vector other)
Assign the other vector values to the column of the receiver
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Matrix |
assignRow(int row,
Vector other)
Assign the other vector values to the row of the receiver
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Matrix |
clone()
Return a copy of the recipient
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MatrixFlavor |
getFlavor()
Get matrix structural flavor (operations performance hints).
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double |
getQuick(int row,
int column)
Return the value at the given indexes, without checking bounds
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Matrix |
like()
Return an empty matrix of the same underlying class as the receiver
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Matrix |
like(int rows,
int columns)
Returns an empty matrix of the same underlying class as the receiver and of the specified size.
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void |
setQuick(int row,
int column,
double value)
Set the value at the given index, without checking bounds
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Matrix |
viewPart(int[] offset,
int[] size)
Return a view into part of a matrix.
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Matrix |
viewPart(int rowOffset,
int rowsRequested,
int columnOffset,
int columnsRequested)
Return a view into part of a matrix.
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Vector |
viewRow(int row)
Returns a view of a row.
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aggregate, aggregateColumns, aggregateRows, asFormatString, assign, assign, assign, assign, columnSize, determinant, divide, get, get, getColumnLabelBindings, getNumNondefaultElements, getRowLabelBindings, iterateAll, iterateNonEmpty, iterator, minus, numCols, numRows, numSlices, plus, plus, rowSize, set, set, set, set, set, set, setColumnLabelBindings, setRowLabelBindings, times, times, times, timesSquared, toString, transpose, viewColumn, viewDiagonal, zSumpublic DenseMatrix(double[][] values)
values - a double[][]public DenseMatrix(double[][] values,
boolean shallowCopy)
values - a double[][]shallowCopy - directly use the supplied array?public DenseMatrix(int rows,
int columns)
rows - The number of rows in the result.columns - The number of columns in the result.public Matrix clone()
Matrixclone in interface Matrixclone in class AbstractMatrixpublic double getQuick(int row,
int column)
Matrixrow - an int row indexcolumn - an int column indexpublic Matrix like()
Matrixpublic Matrix like(int rows, int columns)
Matrixrows - the int number of rowscolumns - the int number of columnspublic void setQuick(int row,
int column,
double value)
Matrixrow - an int row index into the receivercolumn - an int column index into the receivervalue - a double value to setpublic Matrix viewPart(int[] offset, int[] size)
MatrixviewPart in interface MatrixviewPart in class AbstractMatrixoffset - an int[2] offset into the receiversize - the int[2] size of the desired resultpublic Matrix viewPart(int rowOffset, int rowsRequested, int columnOffset, int columnsRequested)
MatrixviewPart in interface MatrixviewPart in class AbstractMatrixrowOffset - The first row of the viewrowsRequested - The number of rows in the viewcolumnOffset - The first column in the viewcolumnsRequested - The number of columns in the viewpublic Matrix assign(double value)
Matrixassign in interface Matrixassign in class AbstractMatrixvalue - a double valuepublic Matrix assign(DenseMatrix matrix)
public Matrix assignColumn(int column, Vector other)
Matrixcolumn - the int row to assignother - a Vectorpublic Matrix assignRow(int row, Vector other)
Matrixrow - the int row to assignother - a Vectorpublic Vector viewRow(int row)
AbstractMatrixviewRow in interface MatrixviewRow in class AbstractMatrixrow - Which row to return.public MatrixFlavor getFlavor()
MatrixUnsupportedOperationException.getFlavor in interface MatrixgetFlavor in class AbstractMatrixCopyright © 2008–2015 The Apache Software Foundation. All rights reserved.