Package org.ejml.dense.row.linsol.qr

Class SolveNullSpaceQRP_DDRM

java.lang.Object

org.ejml.dense.row.linsol.qr.SolveNullSpaceQRP_DDRM

All Implemented Interfaces:

SolveNullSpace<DMatrixRMaj>

public class SolveNullSpaceQRP_DDRM
extends Object
implements SolveNullSpace<DMatrixRMaj>

Uses QR decomposition to find the null-space for a matrix of any shape if the number of singular values is known.=

Solves for A^T=QR and the last column in Q is the null space.

Constructor Summary

Constructors

Constructor	Description
SolveNullSpaceQRP_DDRM()

Method Summary

Modifier and Type	Method	Description
DMatrixRMaj	getQ()
boolean	inputModified()	Returns true if the input matrix is modified
boolean	process(DMatrixRMaj A, int numSingularValues, DMatrixRMaj nullspace)	Finds the null space of A

Methods inherited from class java.lang.Object

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

Constructor Details

SolveNullSpaceQRP_DDRM

public SolveNullSpaceQRP_DDRM()

Method Details

process

public boolean process(DMatrixRMaj A,
 int numSingularValues,
 DMatrixRMaj nullspace)

Finds the null space of A

Specified by:

process in interface SolveNullSpace<DMatrixRMaj>

Parameters:

A - (Input) Matrix. Modified

numSingularValues - Number of singular values

nullspace - Storage for null-space

Returns:

true if successful or false if it failed

inputModified

public boolean inputModified()

Description copied from interface: SolveNullSpace

Returns true if the input matrix is modified

Specified by:

inputModified in interface SolveNullSpace<DMatrixRMaj>

getQ

public DMatrixRMaj getQ()