Module ojalgo

Package org.ojalgo.matrix.decomposition

Class DenseHessenberg<N extends java.lang.Comparable<N>>

java.lang.Object

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

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

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

All Implemented Interfaces:

Hessenberg<N>, MatrixDecomposition<N>, Structure1D, Structure2D

Direct Known Subclasses:

DenseHessenberg.C128, DenseHessenberg.H256, DenseHessenberg.Q128, DenseHessenberg.R064, DenseHessenberg.R128

abstract class DenseHessenberg<N extends java.lang.Comparable<N>>
extends InPlaceDecomposition<N>
implements Hessenberg<N>

Nested Class Summary

Nested Classes

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

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

Hessenberg.Factory<N extends java.lang.Comparable<N>>

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

MatrixDecomposition.Determinant<N extends java.lang.Comparable<N>>, MatrixDecomposition.EconomySize<N extends java.lang.Comparable<N>>, MatrixDecomposition.Factory<D extends MatrixDecomposition<?>>, MatrixDecomposition.Hermitian<N extends java.lang.Comparable<N>>, MatrixDecomposition.Ordered<N extends java.lang.Comparable<N>>, MatrixDecomposition.Pivoting<N extends java.lang.Comparable<N>>, MatrixDecomposition.RankRevealing<N extends java.lang.Comparable<N>>, MatrixDecomposition.Solver<N extends java.lang.Comparable<N>>, MatrixDecomposition.Updatable<N extends java.lang.Comparable<N>>, MatrixDecomposition.Values<N extends java.lang.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 DecompositionStore<N>	myQ
private boolean	myUpper

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

C128, H256, Q128, R064, R128

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

TYPICAL

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DenseHessenberg(PhysicalStore.Factory<N,? extends DecompositionStore<N>> aFactory)

Method Summary

Modifier and Type	Method	Description
boolean	compute(Access2D.Collectable<N,? super PhysicalStore<N>> matrix, boolean upper)
boolean	decompose(Access2D.Collectable<N,? super TransformableRegion<N>> matrix)
(package private) DecompositionStore<N>	doQ(DecompositionStore<N> aStoreToTransform)
MatrixStore<N>	getH()
MatrixStore<N>	getQ()
boolean	isUpper()
private DecompositionStore<N>	makeQ(DecompositionStore<N> storeToTransform, boolean upper, boolean eye)
void	reset()	Delete computed results, and resets attributes to default values

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.Hessenberg

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 Detail

myQ

private transient DecompositionStore<N extends java.lang.Comparable<N>> myQ

myUpper

private boolean myUpper

Constructor Detail

DenseHessenberg

protected DenseHessenberg(PhysicalStore.Factory<N,? extends DecompositionStore<N>> aFactory)

Method Detail

compute

public final boolean compute(Access2D.Collectable<N,? super PhysicalStore<N>> matrix,
                             boolean upper)

Specified by:

compute in interface Hessenberg<N extends java.lang.Comparable<N>>

decompose

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

Specified by:

decompose in interface MatrixDecomposition<N extends java.lang.Comparable<N>>

Parameters:

matrix - A matrix to decompose

Returns:

true if decomposition suceeded; false if not

getH

public final MatrixStore<N> getH()

Specified by:

getH in interface Hessenberg<N extends java.lang.Comparable<N>>

getQ

public final MatrixStore<N> getQ()

Specified by:

getQ in interface Hessenberg<N extends java.lang.Comparable<N>>

isUpper

public boolean isUpper()

Specified by:

isUpper in interface Hessenberg<N extends java.lang.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 java.lang.Comparable<N>>

Overrides:

reset in class AbstractDecomposition<N extends java.lang.Comparable<N>,DecompositionStore<N extends java.lang.Comparable<N>>>

makeQ

private final DecompositionStore<N> makeQ(DecompositionStore<N> storeToTransform,
                                          boolean upper,
                                          boolean eye)

doQ

final DecompositionStore<N> doQ(DecompositionStore<N> aStoreToTransform)