Package org.hipparchus.linear

Class LUDecomposer

java.lang.Object

org.hipparchus.linear.LUDecomposer

All Implemented Interfaces:

MatrixDecomposer

public class LUDecomposer
extends Object
implements MatrixDecomposer

Matrix decomposer using LU-decomposition.

Since:

1.3

Constructor Summary

Constructors

Constructor	Description
LUDecomposer(double singularityThreshold)	Creates a LU decomposer with specify threshold for several matrices.

Method Summary

Modifier and Type	Method	Description
DecompositionSolver	decompose(RealMatrix a)	Get a solver for finding the A × X = B solution in least square sense.

Methods inherited from class java.lang.Object

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

Constructor Details

LUDecomposer

public LUDecomposer(double singularityThreshold)

Creates a LU decomposer with specify threshold for several matrices.

Parameters:

singularityThreshold - threshold (based on partial row norm) under which a matrix is considered singular

Method Details

decompose

public DecompositionSolver decompose(RealMatrix a)

Get a solver for finding the A × X = B solution in least square sense.

Specified by:

decompose in interface MatrixDecomposer

Parameters:

a - coefficient matrix A to decompose

Returns:

a solver