com.hankcs.hanlp.model.crf.crfpp

Class LbfgsOptimizer

java.lang.Object

com.hankcs.hanlp.model.crf.crfpp.LbfgsOptimizer

public class LbfgsOptimizer
extends Object

Author:

zhifac

Constructor Summary

Constructors

Constructor and Description
LbfgsOptimizer()

Method Summary

Modifier and Type	Method and Description
void	clear()
int	init(int n, int m)
int	optimize(double[] x, double f, double[] g)
int	optimize(int size, double[] x, double f, double[] g, boolean orthant, double C)
void	pseudo_gradient(int size, double[] v, double[] x, double[] g, double C)

Methods inherited from class java.lang.Object

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

Constructor Detail

LbfgsOptimizer

public LbfgsOptimizer()

Method Detail

pseudo_gradient

public void pseudo_gradient(int size,
                            double[] v,
                            double[] x,
                            double[] g,
                            double C)

clear

public void clear()

init

public int init(int n,
                int m)

optimize

public int optimize(double[] x,
                    double f,
                    double[] g)

optimize

public int optimize(int size,
                    double[] x,
                    double f,
                    double[] g,
                    boolean orthant,
                    double C)