jvx.numeric
Class PnConjugateGradient

java.lang.Object
  |
  +--jvx.numeric.PnConjugateGradient

All Implemented Interfaces:

java.io.Serializable

public class PnConjugateGradient

extends java.lang.Object

implements java.io.Serializable

Minimize functionals using conjugate gradient method.

Version:

00.00.98, 1.00 revised (kp)
00.00.98, 1.00 created (kp)

Author:

Numerical Recipes, changed to Java and adapted by Konrad Polthier

See Also:

Serialized Form

Field Summary

protected static double	EPS
protected static int	ITMAX Maximal number of CG-iterations after which minimization terminates with warning.
protected PdVector	m_g
protected PdVector	m_h
protected jvx.numeric.PnLinMin_Local	m_linmin
protected int	m_size
protected PdVector	m_xi

Constructor Summary

PnConjugateGradient()

Method Summary

double	dfrprmn(PdVector p, double fTol, PnFunction func)
int	getNumIterations()
protected void	setSize(int aSize)

Methods inherited from class java.lang.Object

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

Field Detail

ITMAX

protected static int ITMAX

Maximal number of CG-iterations after which minimization terminates with warning.

EPS

protected static double EPS

m_size

protected int m_size

m_linmin

protected jvx.numeric.PnLinMin_Local m_linmin

m_g

protected PdVector m_g

m_h

protected PdVector m_h

m_xi

protected PdVector m_xi

Constructor Detail

PnConjugateGradient

public PnConjugateGradient()

Method Detail

getNumIterations

public int getNumIterations()

setSize

protected void setSize(int aSize)

dfrprmn

public double dfrprmn(PdVector p,
                      double fTol,
                      PnFunction func)