mikera.matrixx.algo

Class Rank

java.lang.Object

mikera.matrixx.algo.Rank

public class Rank
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static int	compute(AMatrix A) Returns the rank of a matrix.
static int	compute(AMatrix A, double threshold) Returns the rank of a matrix.
static int	compute(ISVDResult result) Directly computes rank of matrix whose SVD decomposition has already been computed.
static int	compute(ISVDResult result, double threshold) Directly computes rank of matrix whose SVD decomposition has already been computed.

Methods inherited from class java.lang.Object

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

Method Detail

compute

public static int compute(AMatrix A)

Returns the rank of a matrix.

Parameters:

A - The input matrix

Returns:

The matrix's rank

compute

public static int compute(AMatrix A,
                          double threshold)

Returns the rank of a matrix.

Parameters:

A - The input matrix

threshold - Tolerance used to determine if a singular value is singular.

Returns:

The matrix's rank

compute

public static int compute(ISVDResult result)

Directly computes rank of matrix whose SVD decomposition has already been computed.

Parameters:

result - The result of an SVD decomposition

Returns:

The matrix's rank

compute

public static int compute(ISVDResult result,
                          double threshold)

Directly computes rank of matrix whose SVD decomposition has already been computed.

Parameters:

result - The result of an SVD decomposition

threshold - Tolerance used to determine if a singular value is singular.

Returns:

The matrix's rank