Package gov.nih.mipav.model.algorithms

Class PreconditionedConjugateGradient

java.lang.Object

gov.nih.mipav.model.algorithms.PreconditionedConjugateGradient

public class PreconditionedConjugateGradient
extends java.lang.Object

MIT License Copyright (c) 2018 Komahan Boopathy Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Ported to Java from routine dpcg in linear_algebra.f90 in linear-nonlinear-algebra package by William Gandler

Field Summary

Fields

Modifier and Type	Field	Description
private double[][]	A
private double[]	b
private int[]	flag
private int[]	iter
private double[][]	M
private int	max_it
private double	max_tol
private double[]	tol
private double[]	x

Constructor Summary

Constructors

Constructor	Description
PreconditionedConjugateGradient(double[][] A, double[][] M, double[] b, int max_it, double max_tol, double[] x, int[] iter, double[] tol, int[] flag)

Method Summary

Modifier and Type	Method	Description
void	run()

Methods inherited from class java.lang.Object

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

Field Detail

A

private double[][] A

M

private double[][] M

b

private double[] b

max_it

private int max_it

max_tol

private double max_tol

x

private double[] x

iter

private int[] iter

tol

private double[] tol

flag

private int[] flag

Constructor Detail

PreconditionedConjugateGradient

public PreconditionedConjugateGradient(double[][] A,
                                       double[][] M,
                                       double[] b,
                                       int max_it,
                                       double max_tol,
                                       double[] x,
                                       int[] iter,
                                       double[] tol,
                                       int[] flag)

Method Detail

run

public void run()