Module ojalgo

Package org.ojalgo.matrix.decomposition

Class DenseBidiagonal<N extends Comparable<N>>

java.lang.Object

org.ojalgo.matrix.decomposition.AbstractDecomposition<N,DecompositionStore<N>>

org.ojalgo.matrix.decomposition.InPlaceDecomposition<N>

org.ojalgo.matrix.decomposition.DenseBidiagonal<N>

All Implemented Interfaces:

Bidiagonal<N>, MatrixDecomposition<N>, MatrixDecomposition.EconomySize<N>, Structure1D, Structure2D

Direct Known Subclasses:

DenseBidiagonal.C128, DenseBidiagonal.H256, DenseBidiagonal.Q128, DenseBidiagonal.R064, DenseBidiagonal.R128

abstract class DenseBidiagonal<N extends Comparable<N>>
extends InPlaceDecomposition<N>
implements Bidiagonal<N>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static final class	DenseBidiagonal.C128
(package private) static final class	DenseBidiagonal.H256
(package private) static final class	DenseBidiagonal.Q128
(package private) static final class	DenseBidiagonal.R064
(package private) static final class	DenseBidiagonal.R128

Nested classes/interfaces inherited from interface org.ojalgo.matrix.decomposition.Bidiagonal

Bidiagonal.Factory<N extends Comparable<N>>

Nested classes/interfaces inherited from interface org.ojalgo.matrix.decomposition.MatrixDecomposition

MatrixDecomposition.Determinant<N extends Comparable<N>>, MatrixDecomposition.EconomySize<N extends Comparable<N>>, MatrixDecomposition.Factory<D extends MatrixDecomposition<?>>, MatrixDecomposition.Hermitian<N extends Comparable<N>>, MatrixDecomposition.Ordered<N extends Comparable<N>>, MatrixDecomposition.Pivoting<N extends Comparable<N>>, MatrixDecomposition.RankRevealing<N extends Comparable<N>>, MatrixDecomposition.Solver<N extends Comparable<N>>, MatrixDecomposition.Updatable<N extends Comparable<N>>, MatrixDecomposition.Values<N extends Comparable<N>>

Nested classes/interfaces inherited from interface org.ojalgo.structure.Structure1D

Structure1D.BasicMapper<T>, Structure1D.IndexMapper<T>, Structure1D.IntIndex, Structure1D.LongIndex, Structure1D.LoopCallback

Nested classes/interfaces inherited from interface org.ojalgo.structure.Structure2D

Structure2D.IntRowColumn, Structure2D.Logical<S extends Structure2D,B extends Structure2D.Logical<S,B>>, Structure2D.LongRowColumn, Structure2D.ReducibleTo1D<R extends Structure1D>, Structure2D.Reshapable, Structure2D.RowColumnKey<R,C>, Structure2D.RowColumnMapper<R,C>

Field Summary

Fields

Modifier and Type	Field	Description
private DiagonalStore<N,Array1D<N>>	myDiagonal
private final boolean	myFullSize
private Array1D<N>	myInitDiagLQ
private Array1D<N>	myInitDiagRQ
private DecompositionStore<N>	myLQ
private DecompositionStore<N>	myRQ

Fields inherited from interface org.ojalgo.matrix.decomposition.Bidiagonal

C128, H256, Q128, R064, R128

Fields inherited from interface org.ojalgo.matrix.decomposition.MatrixDecomposition

TYPICAL

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DenseBidiagonal(PhysicalStore.Factory<N,? extends DecompositionStore<N>> factory, boolean fullSize)

Method Summary

Modifier and Type	Method	Description
boolean	decompose(Access2D.Collectable<N,? super TransformableRegion<N>> matrix)
(package private) DiagonalStore<N,Array1D<N>>	doGetDiagonal()
(package private) DecompositionStore<N>	doGetLQ()
(package private) DecompositionStore<N>	doGetRQ()
MatrixStore<N>	getD()
MatrixStore<N>	getLQ()
MatrixStore<N>	getRQ()
boolean	isFullSize()
boolean	isUpper()
private DiagonalStore<N,Array1D<N>>	makeDiagonal()
private DecompositionStore<N>	makeLQ()
(package private) abstract Array1D<N>[]	makeReal()
private DecompositionStore<N>	makeRQ()
void	reset()	Delete computed results, and resets attributes to default values
private void	solve(PhysicalStore<N> aMtrxV, MatrixStore<N> aMtrxD, DiagonalStore<N,?> aMtrxSimilar)	Will solve the equation system [aMtrxV][aMtrxD][X]=[aMtrxSimilar]T and overwrite the solution [X] to [aV].
private DecompositionStore<N>	solve2(PhysicalStore<N> aMtrxV, MatrixStore<N> aMtrxD, DiagonalStore<N,?> aMtrxSimilar)

Methods inherited from class org.ojalgo.matrix.decomposition.InPlaceDecomposition

getColDim, getInPlace, getInverse, getInverse, getRowDim, setInPlace

Methods inherited from class org.ojalgo.matrix.decomposition.AbstractDecomposition

aggregator, applyPivotOrder, applyReverseOrder, checkSolvability, collect, computed, copyColumn, copyRow, function, getDimensionalEpsilon, isAspectRatioNormal, isComputed, isSolvable, makeArray, makeDiagonal, makeEye, makeHouseholder, makeIdentity, makeRotation, makeRotation, makeZero, makeZero, scalar, wrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ojalgo.matrix.decomposition.Bidiagonal

reconstruct

Methods inherited from interface org.ojalgo.matrix.decomposition.MatrixDecomposition

isComputed

Methods inherited from interface org.ojalgo.structure.Structure2D

count, countColumns, countRows, firstInColumn, firstInRow, getColDim, getMaxDim, getMinDim, getRowDim, isEmpty, isFat, isScalar, isSquare, isTall, isVector, limitOfColumn, limitOfRow, size

Field Details

myDiagonal

private transient DiagonalStore<N extends Comparable<N>,Array1D<N extends Comparable<N>>> myDiagonal

myFullSize

private final boolean myFullSize

myInitDiagLQ

private Array1D<N extends Comparable<N>> myInitDiagLQ

myInitDiagRQ

private Array1D<N extends Comparable<N>> myInitDiagRQ

myLQ

private transient DecompositionStore<N extends Comparable<N>> myLQ

myRQ

private transient DecompositionStore<N extends Comparable<N>> myRQ

Constructor Details

DenseBidiagonal

protected DenseBidiagonal(PhysicalStore.Factory<N,? extends DecompositionStore<N>> factory,
 boolean fullSize)

Method Details

decompose

public boolean decompose(Access2D.Collectable<N,? super TransformableRegion<N>> matrix)

Specified by:

decompose in interface MatrixDecomposition<N extends Comparable<N>>

Parameters:

matrix - A matrix to decompose

Returns:

true if decomposition suceeded; false if not

getD

public MatrixStore<N> getD()

Specified by:

getD in interface Bidiagonal<N extends Comparable<N>>

getLQ

public MatrixStore<N> getLQ()

Specified by:

getLQ in interface Bidiagonal<N extends Comparable<N>>

getRQ

public MatrixStore<N> getRQ()

Specified by:

getRQ in interface Bidiagonal<N extends Comparable<N>>

isFullSize

public boolean isFullSize()

Specified by:

isFullSize in interface MatrixDecomposition.EconomySize<N extends Comparable<N>>

Returns:

True if it will generate a full sized decomposition.

isUpper

public boolean isUpper()

Specified by:

isUpper in interface Bidiagonal<N extends Comparable<N>>

reset

public void reset()

Description copied from interface: MatrixDecomposition

Delete computed results, and resets attributes to default values

Specified by:

reset in interface MatrixDecomposition<N extends Comparable<N>>

Overrides:

reset in class AbstractDecomposition<N extends Comparable<N>,DecompositionStore<N extends Comparable<N>>>

makeDiagonal

private DiagonalStore<N,Array1D<N>> makeDiagonal()

makeLQ

private DecompositionStore<N> makeLQ()

makeRQ

private DecompositionStore<N> makeRQ()

solve

private void solve(PhysicalStore<N> aMtrxV,
 MatrixStore<N> aMtrxD,
 DiagonalStore<N,?> aMtrxSimilar)

Will solve the equation system [aMtrxV][aMtrxD][X]=[aMtrxSimilar]^T and overwrite the solution [X] to [aV].

solve2

private DecompositionStore<N> solve2(PhysicalStore<N> aMtrxV,
 MatrixStore<N> aMtrxD,
 DiagonalStore<N,?> aMtrxSimilar)

doGetDiagonal

DiagonalStore<N,Array1D<N>> doGetDiagonal()

doGetLQ

DecompositionStore<N> doGetLQ()

doGetRQ

DecompositionStore<N> doGetRQ()

makeReal

abstract Array1D<N>[] makeReal()