Package gov.nih.mipav.model.algorithms

Class NMSimplex

java.lang.Object

gov.nih.mipav.model.algorithms.NMSimplex

public abstract class NMSimplex
extends java.lang.Object

Example public class Objfunc implements Objfun { public double evalObjfun(double x[]){ return (100*(x[1]-x[0]*x[0])*(x[1]-x[0]*x[0])+(1.0-x[0])*(1.0-x[0])); } } public class Constraint implements Constraints { double round2(double num, int precision) { double rnum; int tnum; rnum = num*Math.pow(10,precision); tnum = (int)(rnum < 0 ? rnum-0.5 : rnum + 0.5); rnum = tnum/Math.pow(10,precision); return rnum; } public void getConstrainedValues(double x[], int n) { // round to 2 decimal places int i; for (i=0; i

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static double	ALPHA
(package private) static double	BETA
private boolean	display
private double	EPSILON
(package private) static double	GAMMA
(package private) static int	MAX_IT
private int	n
private double	scale
private double[]	start

Constructor Summary

Constructors

Constructor	Description
NMSimplex(double[] start, int n, double EPSILON, double scale, boolean display)

Method Summary

Modifier and Type	Method	Description
void	driver()
abstract double	evalObjfun(double[] x)
abstract void	getConstrainedValues(double[] x, int n)

Methods inherited from class java.lang.Object

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

Field Detail

MAX_IT

static final int MAX_IT

See Also:

Constant Field Values

ALPHA

static final double ALPHA

See Also:

Constant Field Values

BETA

static final double BETA

See Also:

Constant Field Values

GAMMA

static final double GAMMA

See Also:

Constant Field Values

start

private double[] start

n

private int n

EPSILON

private double EPSILON

scale

private double scale

display

private boolean display

Constructor Detail

NMSimplex

public NMSimplex(double[] start,
                 int n,
                 double EPSILON,
                 double scale,
                 boolean display)

Method Detail

driver

public void driver()

getConstrainedValues

public abstract void getConstrainedValues(double[] x,
                                          int n)

evalObjfun

public abstract double evalObjfun(double[] x)