org.jutil.math.matrix
Class SchurEigenvalueDecomposer

java.lang.Object
  |
  +--org.jutil.math.matrix.SchurEigenvalueDecomposer

All Implemented Interfaces:

EigenvalueDecomposer

public class SchurEigenvalueDecomposer

extends java.lang.Object

implements EigenvalueDecomposer

A class of eigenvalue decomposers using an explict shift algorithm.

Version:

$Revision: 1.3 $

Author:

Marko van Dooren

Field Summary

static java.lang.String

CVS_REVISION

Constructor Summary

SchurEigenvalueDecomposer(SchurDecomposer decomposer, LinSolver linSolver)
public behavior

pre decomposer != null;
pre linSolver != null;

post getSchurDecomposer() == decomposer;
post getLinSolver() == linSolver;
Initialize a new SchurEigenvalueDecomposer with the given HessenbergReducer

Method Summary

EigenvalueDecomposition	decompose(Matrix matrix) See superclass
LinSolver	getLinSolver() public behavior post \result != null; Return the LinSolver used by this SchurEigenvalueDecomposer to calculate eigenvalue decompositions.
SchurDecomposer	getSchurDecomposer() public behavior post \result != null; Return the SchurDecomposer used by this SchurEigenvalueDecomposer to calculate eigenvalue decompositions.

Methods inherited from class java.lang.Object

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

Field Detail

CVS_REVISION

public static final java.lang.String CVS_REVISION

Constructor Detail

SchurEigenvalueDecomposer

public SchurEigenvalueDecomposer(SchurDecomposer decomposer,
                                 LinSolver linSolver)

public behavior

pre decomposer != null;
pre linSolver != null;

post getSchurDecomposer() == decomposer;
post getLinSolver() == linSolver;
Initialize a new SchurEigenvalueDecomposer with the given HessenbergReducer

Parameters:

decomposer - The SchurDecomposer to be used by this SchurEigenvalueDecomposer.

linSolver - The LinSolver to be used by this SchurEigenvalueDecomposer.

Method Detail

getSchurDecomposer

public SchurDecomposer getSchurDecomposer()

public behavior

post \result != null;
Return the SchurDecomposer used by this SchurEigenvalueDecomposer to calculate eigenvalue decompositions.

getLinSolver

public LinSolver getLinSolver()

public behavior

post \result != null;
Return the LinSolver used by this SchurEigenvalueDecomposer to calculate eigenvalue decompositions.

decompose

public EigenvalueDecomposition decompose(Matrix matrix)

See superclass

Specified by:

decompose in interface EigenvalueDecomposer

Following copied from interface: org.jutil.math.matrix.EigenvalueDecomposer

Parameters:

matrix - The matrix to decompose.