org.openimaj.math.matrix

Class PseudoInverse

java.lang.Object

org.openimaj.math.matrix.PseudoInverse

public class PseudoInverse
extends Object

Methods for calculating the Moore-Penrose Pseudo-Inverse

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Constructor Summary

Constructors

Constructor and Description
PseudoInverse()

Method Summary

Modifier and Type	Method and Description
static Jama.Matrix	pseudoInverse(Jama.Matrix matrix) Compute the Moore-Penrose Pseudo-Inverse.
static Jama.Matrix	pseudoInverse(Jama.Matrix matrix, int rank) Compute the lower-rank approximation of the Moore-Penrose Pseudo-Inverse.
static Jama.Matrix	pseudoInverse(Matrix matrix, int rank) Compute the lower-rank approximation of the Moore-Penrose Pseudo-Inverse.

Methods inherited from class java.lang.Object

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

Constructor Detail

PseudoInverse

public PseudoInverse()

Method Detail

pseudoInverse

public static Jama.Matrix pseudoInverse(Jama.Matrix matrix)

Compute the Moore-Penrose Pseudo-Inverse.

Parameters:

matrix - The matrix to invert.

Returns:

the pseudo-inverse.

pseudoInverse

public static Jama.Matrix pseudoInverse(Jama.Matrix matrix,
                                        int rank)

Compute the lower-rank approximation of the Moore-Penrose Pseudo-Inverse.

Parameters:

matrix - The matrix to invert.

rank - the desired rank.

Returns:

the pseudo-inverse.

pseudoInverse

public static Jama.Matrix pseudoInverse(Matrix matrix,
                                        int rank)

Compute the lower-rank approximation of the Moore-Penrose Pseudo-Inverse.

Parameters:

matrix - The matrix to invert.

rank - the desired rank.

Returns:

the pseudo-inverse.