org.jutil.math.matrix
Interface LUDecomposer

All Known Implementing Classes:

PartialPivotGauss

public interface LUDecomposer

A class of objects that compute the LU factorization of a matrix.

Version:

$Revision: 1.3 $

Author:

Marko van Dooren

Field Summary

static java.lang.String

CVS_REVISION

Method Summary

LUDecomposition

decompose(Matrix matrix) public behavior pre matrix != null; pre matrix.isSquare(); post \result != null; post (* \result.L().times(\result.U()).equals(matrix) *); post \result.L().getNbRows() == matrix.getNbRows();

Field Detail

CVS_REVISION

public static final java.lang.String CVS_REVISION

Method Detail

decompose

public LUDecomposition decompose(Matrix matrix)

public behavior

pre matrix != null;
pre matrix.isSquare();

post \result != null;
post (* \result.L().times(\result.U()).equals(matrix) *);
post \result.L().getNbRows() == matrix.getNbRows();

Return an LU factorization of this matrix.

Parameters:

matrix - The matrix to decompose.