org.ojalgo.matrix.transformation
Class Householder<N extends Number>

java.lang.Object
  org.ojalgo.matrix.transformation.Householder<N>

public final class Householder<N extends Number>
extends Object

Nested Class Summary

static class	Householder.Big
static class	Householder.Complex
static class	Householder.Primitive
static class	Householder.Reference<N extends Number>

Constructor Summary

Householder(int aNumberOfLeadingZeros, boolean aLeadingOneOrNot, Array1D<N> theRemainingVectorElements)

Method Summary

double	doubleValue(int anIndex)
int	first()
N	getNumber(PhysicalStore.Factory<N> aFactory, int anIndex)
static Householder<BigDecimal>	makeBig(BigDecimal[] allVectorElements)
static Householder<BigDecimal>	makeBig(int aNumberOfLeadingZeros, boolean aLeadingOneOrNot, BigDecimal[] theRemainingVectorElements)
static Householder<ComplexNumber>	makeComplex(ComplexNumber[] allVectorElements)
static Householder<ComplexNumber>	makeComplex(int aNumberOfLeadingZeros, boolean aLeadingOneOrNot, ComplexNumber[] theRemainingVectorElements)
static Householder<Double>	makePrimitive(double[] allVectorElements)
static Householder<Double>	makePrimitive(int aNumberOfLeadingZeros, boolean aLeadingOneOrNot, double[] theRemainingVectorElements)
int	size()
Scalar<N>	toScalar(PhysicalStore.Factory<N> aFactory, int anIndex)

Methods inherited from class java.lang.Object

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

Constructor Detail

Householder

public Householder(int aNumberOfLeadingZeros,
                   boolean aLeadingOneOrNot,
                   Array1D<N> theRemainingVectorElements)

Method Detail

makeBig

public static Householder<BigDecimal> makeBig(BigDecimal[] allVectorElements)

makeBig

public static Householder<BigDecimal> makeBig(int aNumberOfLeadingZeros,
                                              boolean aLeadingOneOrNot,
                                              BigDecimal[] theRemainingVectorElements)

makeComplex

public static Householder<ComplexNumber> makeComplex(ComplexNumber[] allVectorElements)

makeComplex

public static Householder<ComplexNumber> makeComplex(int aNumberOfLeadingZeros,
                                                     boolean aLeadingOneOrNot,
                                                     ComplexNumber[] theRemainingVectorElements)

makePrimitive

public static Householder<Double> makePrimitive(double[] allVectorElements)

makePrimitive

public static Householder<Double> makePrimitive(int aNumberOfLeadingZeros,
                                                boolean aLeadingOneOrNot,
                                                double[] theRemainingVectorElements)

doubleValue

public final double doubleValue(int anIndex)

first

public final int first()

Returns:

The index of the first non-zero Householder vector element.

getNumber

public final N getNumber(PhysicalStore.Factory<N> aFactory,
                         int anIndex)

size

public final int size()

Returns:

The size/length of the Householder vector.

toScalar

public final Scalar<N> toScalar(PhysicalStore.Factory<N> aFactory,
                                int anIndex)