org.jutil.math.matrix
Class QRLinSolver

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

All Implemented Interfaces:

LinSolver

public class QRLinSolver

extends AbstractSolver

implements LinSolver

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

Field Summary
static java.lang.String	CVS_REVISION

 

Constructor Summary

QRLinSolver(QRDecomposer decomposer)           Initialize a new QRLinSolver with the given QRDecomposer.

 

Method Summary
QRDecomposer	getDecomposer()           Return the QRDecomposer of this QRLinSolver.
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

QRLinSolver

public QRLinSolver(QRDecomposer decomposer)

Initialize a new QRLinSolver with the given QRDecomposer.

Parameters:

decomposer - The QRDecomposer to be used by this QRLinSolver.

Specifications:

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

getDecomposer

public QRDecomposer getDecomposer()

Return the QRDecomposer of this QRLinSolver.

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) *);