Module ojalgo

Package org.ojalgo.matrix.decomposition

Class SimultaneousTridiagonal

java.lang.Object

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

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

org.ojalgo.matrix.decomposition.DenseTridiagonal<java.lang.Double>

org.ojalgo.matrix.decomposition.SimultaneousTridiagonal

All Implemented Interfaces:

MatrixDecomposition<java.lang.Double>, Tridiagonal<java.lang.Double>, Structure1D, Structure2D

class SimultaneousTridiagonal
extends DenseTridiagonal<java.lang.Double>

Computes Q while decomposing.

Nested Class Summary

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>

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

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

Field Summary

Fields

Modifier and Type	Field	Description
private BasicArray<java.lang.Double>	myDiagD
private BasicArray<java.lang.Double>	myDiagE

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

TYPICAL

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

C128, H256, Q128, R064, R128

Constructor Summary

Constructors

Constructor	Description
SimultaneousTridiagonal()

Method Summary

Modifier and Type	Method	Description
boolean	decompose(Access2D.Collectable<java.lang.Double,? super TransformableRegion<java.lang.Double>> matrix)
(package private) MatrixStore<java.lang.Double>	makeD()
(package private) DecompositionStore<java.lang.Double>	makeQ()
protected void	supplyDiagonalTo(double[] d, double[] e)

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

getD, getDecompositionQ, getQ, reset

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, 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.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

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

reconstruct

Field Detail

myDiagD

private BasicArray<java.lang.Double> myDiagD

myDiagE

private BasicArray<java.lang.Double> myDiagE

Constructor Detail

SimultaneousTridiagonal

SimultaneousTridiagonal()

Method Detail

decompose

public boolean decompose(Access2D.Collectable<java.lang.Double,? super TransformableRegion<java.lang.Double>> matrix)

Parameters:

matrix - A matrix to decompose

Returns:

true if decomposition suceeded; false if not

supplyDiagonalTo

protected void supplyDiagonalTo(double[] d,
                                double[] e)

Specified by:

supplyDiagonalTo in class DenseTridiagonal<java.lang.Double>

makeD

MatrixStore<java.lang.Double> makeD()

Specified by:

makeD in class DenseTridiagonal<java.lang.Double>

makeQ

DecompositionStore<java.lang.Double> makeQ()

Specified by:

makeQ in class DenseTridiagonal<java.lang.Double>