Catalano.Math.Decompositions

Class EigenvalueDecomposition

java.lang.Object

Catalano.Math.Decompositions.EigenvalueDecomposition

All Implemented Interfaces:

java.io.Serializable

public class EigenvalueDecomposition
extends java.lang.Object
implements java.io.Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EigenvalueDecomposition(double[][] matrix) Initializes a new instance of the EigenvalueDecomposition class.

Method Summary

Modifier and Type	Method and Description
double[][]	getD() Return the block diagonal eigenvalue matrix
double[]	getImagEigenvalues() Return the imaginary parts of the eigenvalues
double[]	getRealEigenvalues() Return the real parts of the eigenvalues
double[][]	getV() Return the eigenvector matrix

Methods inherited from class java.lang.Object

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

Constructor Detail

EigenvalueDecomposition

public EigenvalueDecomposition(double[][] matrix)

Initializes a new instance of the EigenvalueDecomposition class. Check for symmetry, then construct the eigenvalue decomposition

Parameters:

matrix - Square matrix.

Method Detail

getV

public double[][] getV()

Return the eigenvector matrix

Returns:

V

getRealEigenvalues

public double[] getRealEigenvalues()

Return the real parts of the eigenvalues

Returns:

real(diag(D))

getImagEigenvalues

public double[] getImagEigenvalues()

Return the imaginary parts of the eigenvalues

Returns:

imag(diag(D))

getD

public double[][] getD()

Return the block diagonal eigenvalue matrix

Returns:

D