com.itemanalysis.psychometrics.polycor

Class PolychoricMaximumLikelihood.MaximumLikelihoodFunction

java.lang.Object

com.itemanalysis.psychometrics.polycor.PolychoricMaximumLikelihood.MaximumLikelihoodFunction

All Implemented Interfaces:

Uncmin_methods

Enclosing class:

PolychoricMaximumLikelihood

public class PolychoricMaximumLikelihood.MaximumLikelihoodFunction
extends java.lang.Object
implements Uncmin_methods

Constructor Summary

Constructors

Constructor and Description
MaximumLikelihoodFunction()

Method Summary

Modifier and Type	Method and Description
double	f_to_minimize(double[] x)
void	gradient(double[] x, double[] y)
void	hessian(double[] x, double[][] y)

Methods inherited from class java.lang.Object

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

Constructor Detail

MaximumLikelihoodFunction

public MaximumLikelihoodFunction()

Method Detail

f_to_minimize

public double f_to_minimize(double[] x)

Specified by:

f_to_minimize in interface Uncmin_methods

gradient

public void gradient(double[] x,
                     double[] y)

Specified by:

gradient in interface Uncmin_methods

hessian

public void hessian(double[] x,
                    double[][] y)

Specified by:

hessian in interface Uncmin_methods