org.ojalgo.matrix

Class MatrixUtils

java.lang.Object

org.ojalgo.matrix.MatrixUtils

public abstract class MatrixUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static void	copy(Access2D<?> source, int rows, int columns, double[][] destination)
static void	copyComplexArgument(Access2D<ComplexNumber> source, ElementsConsumer<?> destination) Copies the argument of the ComplexNumber elements to the destination.
static void	copyComplexImaginary(Access2D<ComplexNumber> source, ElementsConsumer<?> destination) Copies the imaginary part of the ComplexNumber elements to the destination.
static void	copyComplexModulus(Access2D<ComplexNumber> source, ElementsConsumer<?> destination) Copies the modulus of the ComplexNumber elements to the destination.
static void	copyComplexModulusAndArgument(Access2D<ComplexNumber> source, ElementsConsumer<?> modDest, ElementsConsumer<?> argDest) Simultaneously copies the modulus and argument of the ComplexNumber elements to the destinations.
static void	copyComplexReal(Access2D<ComplexNumber> source, ElementsConsumer<?> destination) Copies the real part of the ComplexNumber elements to the destination.
static void	copyComplexRealAndImaginary(Access2D<ComplexNumber> source, ElementsConsumer<?> realDest, ElementsConsumer<?> imagDest) Simultaneously copies the real and imaginary parts of the ComplexNumber elements to the destinations.
static int	firstInColumn(Access1D<?> matrix, int col, int defaultAndMinimum)
static long	firstInColumn(Access1D<?> matrix, long col, long defaultAndMinimum)
static int	firstInRow(Access1D<?> matrix, int row, int defaultAndMinimum)
static long	firstInRow(Access1D<?> matrix, long row, long defaultAndMinimum)
static PrimitiveDenseStore	getComplexArgument(Access2D<ComplexNumber> arg) Extracts the argument of the ComplexNumber elements to a new primitive double valued matrix.
static PrimitiveDenseStore	getComplexImaginary(Access2D<ComplexNumber> arg) Extracts the imaginary part of the ComplexNumber elements to a new primitive double valued matrix.
static PrimitiveDenseStore	getComplexModulus(Access2D<ComplexNumber> arg) Extracts the modulus of the ComplexNumber elements to a new primitive double valued matrix.
static PrimitiveDenseStore	getComplexReal(Access2D<ComplexNumber> arg) Extracts the real part of the ComplexNumber elements to a new primitive double valued matrix.
static <N extends Number> int	hashCode(BasicMatrix matrix)
static <N extends Number> int	hashCode(MatrixStore<N> matrix)
static boolean	isHermitian(Access2D<?> matrix)
static <N extends Number> boolean	isNormal(MatrixStore<N> matrix)
static int	limitOfColumn(Access1D<?> matrix, int col, int defaultAndMaximum)
static long	limitOfColumn(Access1D<?> matrix, long col, long defaultAndMaximum)
static int	limitOfRow(Access1D<?> matrix, int row, int defaultAndMaximum)
static long	limitOfRow(Access1D<?> matrix, long row, long defaultAndMaximum)
static PhysicalStore<ComplexNumber>	makeRandomComplexStore(int aRowDim, int aColDim)
static PrimitiveDenseStore	makeSPD(int dim) Make a random symmetric positive definite matrix
static String	toString(Access2D<?> matrix) Deprecated. v45 Use Access2D.toString(Access2D<?>) instead
static Access2D<BigDecimal>	wrapBigAccess2D(BasicMatrix matrix)
static Access2D<ComplexNumber>	wrapComplexAccess2D(BasicMatrix matrix)
static Access2D<Double>	wrapPrimitiveAccess2D(BasicMatrix matrix)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

copy

public static void copy(Access2D<?> source,
                        int rows,
                        int columns,
                        double[][] destination)

copyComplexArgument

public static void copyComplexArgument(Access2D<ComplexNumber> source,
                                       ElementsConsumer<?> destination)

Copies the argument of the ComplexNumber elements to the destination.

copyComplexImaginary

public static void copyComplexImaginary(Access2D<ComplexNumber> source,
                                        ElementsConsumer<?> destination)

Copies the imaginary part of the ComplexNumber elements to the destination.

copyComplexModulus

public static void copyComplexModulus(Access2D<ComplexNumber> source,
                                      ElementsConsumer<?> destination)

Copies the modulus of the ComplexNumber elements to the destination.

copyComplexModulusAndArgument

public static void copyComplexModulusAndArgument(Access2D<ComplexNumber> source,
                                                 ElementsConsumer<?> modDest,
                                                 ElementsConsumer<?> argDest)

Simultaneously copies the modulus and argument of the ComplexNumber elements to the destinations.

copyComplexReal

public static void copyComplexReal(Access2D<ComplexNumber> source,
                                   ElementsConsumer<?> destination)

Copies the real part of the ComplexNumber elements to the destination.

copyComplexRealAndImaginary

public static void copyComplexRealAndImaginary(Access2D<ComplexNumber> source,
                                               ElementsConsumer<?> realDest,
                                               ElementsConsumer<?> imagDest)

Simultaneously copies the real and imaginary parts of the ComplexNumber elements to the destinations.

firstInColumn

public static final int firstInColumn(Access1D<?> matrix,
                                      int col,
                                      int defaultAndMinimum)

firstInColumn

public static final long firstInColumn(Access1D<?> matrix,
                                       long col,
                                       long defaultAndMinimum)

firstInRow

public static final int firstInRow(Access1D<?> matrix,
                                   int row,
                                   int defaultAndMinimum)

firstInRow

public static final long firstInRow(Access1D<?> matrix,
                                    long row,
                                    long defaultAndMinimum)

getComplexArgument

public static PrimitiveDenseStore getComplexArgument(Access2D<ComplexNumber> arg)

Extracts the argument of the ComplexNumber elements to a new primitive double valued matrix.

getComplexImaginary

public static PrimitiveDenseStore getComplexImaginary(Access2D<ComplexNumber> arg)

Extracts the imaginary part of the ComplexNumber elements to a new primitive double valued matrix.

getComplexModulus

public static PrimitiveDenseStore getComplexModulus(Access2D<ComplexNumber> arg)

Extracts the modulus of the ComplexNumber elements to a new primitive double valued matrix.

getComplexReal

public static PrimitiveDenseStore getComplexReal(Access2D<ComplexNumber> arg)

Extracts the real part of the ComplexNumber elements to a new primitive double valued matrix.

hashCode

public static <N extends Number> int hashCode(BasicMatrix matrix)

hashCode

public static <N extends Number> int hashCode(MatrixStore<N> matrix)

isHermitian

public static boolean isHermitian(Access2D<?> matrix)

isNormal

public static <N extends Number> boolean isNormal(MatrixStore<N> matrix)

limitOfColumn

public static final int limitOfColumn(Access1D<?> matrix,
                                      int col,
                                      int defaultAndMaximum)

limitOfColumn

public static final long limitOfColumn(Access1D<?> matrix,
                                       long col,
                                       long defaultAndMaximum)

limitOfRow

public static final int limitOfRow(Access1D<?> matrix,
                                   int row,
                                   int defaultAndMaximum)

limitOfRow

public static final long limitOfRow(Access1D<?> matrix,
                                    long row,
                                    long defaultAndMaximum)

makeRandomComplexStore

public static PhysicalStore<ComplexNumber> makeRandomComplexStore(int aRowDim,
                                                                  int aColDim)

makeSPD

public static PrimitiveDenseStore makeSPD(int dim)

Make a random symmetric positive definite matrix

toString

@Deprecated
public static String toString(Access2D<?> matrix)

Deprecated. v45 Use Access2D.toString(Access2D<?>) instead

wrapBigAccess2D

public static Access2D<BigDecimal> wrapBigAccess2D(BasicMatrix matrix)

wrapComplexAccess2D

public static Access2D<ComplexNumber> wrapComplexAccess2D(BasicMatrix matrix)

wrapPrimitiveAccess2D

public static Access2D<Double> wrapPrimitiveAccess2D(BasicMatrix matrix)