org.jutil.math.matrix
Class LULinSolver

java.lang.Object
  |
  +--org.jutil.math.matrix.AbstractSolver
        |
        +--org.jutil.math.matrix.LULinSolver

All Implemented Interfaces:

LinSolver

public class LULinSolver

extends AbstractSolver

implements LinSolver

A class of objects that solve linear systems of equations represented as a matrix using the LU decomposition of that matrix.

Field Summary
static java.lang.String	CVS_REVISION

 

Constructor Summary

LULinSolver(LUDecomposer decomposer)           Initialize a new LULinSolver with the given LUDecomposer.

 

Method Summary
LUDecomposer	getDecomposer()           Return the LUDecomposer of this LULinSolver.
Column	solve(Matrix A, Column b)           see superclass

 

Methods inherited from class org.jutil.math.matrix.AbstractSolver

backSubstitute, forwardSubstitute

 

Methods inherited from class java.lang.Object

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

 

Field Detail

CVS_REVISION

public static final java.lang.String CVS_REVISION

LULinSolver

public LULinSolver(LUDecomposer decomposer)

Initialize a new LULinSolver with the given LUDecomposer.

Parameters:

decomposer - The LUDecomposer to be used by this LULinSolver.

Specifications:

public behavior
requires decomposer != null;
ensures getDecomposer() == decomposer;

getDecomposer

public LUDecomposer getDecomposer()

Return the LUDecomposer of this LULinSolver.

solve

public Column solve(Matrix A,
                    Column b)

see superclass

Specifications inherited from overridden method in interface LinSolver:

public behavior
requires A != null;
requires b != null;
requires b.size() == A.getNbRows();
requires A.isSquare();
requires (* A is nonsingular *);
ensures (* A.times(\result).equals(b) *);