hex.optimization

Class OptimizationUtils.MoreThuente

java.lang.Object

hex.optimization.OptimizationUtils.MoreThuente

All Implemented Interfaces:

OptimizationUtils.LineSearchSolver

Enclosing class:

OptimizationUtils

public static final class OptimizationUtils.MoreThuente
extends java.lang.Object
implements OptimizationUtils.LineSearchSolver

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String[]	messages

Constructor Summary

Constructors

Constructor and Description
MoreThuente(OptimizationUtils.GradientSolver gslvr, double[] betaStart)
MoreThuente(OptimizationUtils.GradientSolver gslvr, double[] betaStart, OptimizationUtils.GradientInfo ginfo)
MoreThuente(OptimizationUtils.GradientSolver gslvr, double[] betaStart, OptimizationUtils.GradientInfo ginfo, double ftol, double gtol, double xtol)

Method Summary

Modifier and Type	Method and Description
boolean	evaluate(double[] direction)
double	getObj()
double[]	getX()
OptimizationUtils.GradientInfo	ginfo()
int	nfeval()
OptimizationUtils.MoreThuente	setInitialStep(double t)
double	step()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

messages

public final java.lang.String[] messages

Constructor Detail

MoreThuente

public MoreThuente(OptimizationUtils.GradientSolver gslvr,
                   double[] betaStart)

MoreThuente

public MoreThuente(OptimizationUtils.GradientSolver gslvr,
                   double[] betaStart,
                   OptimizationUtils.GradientInfo ginfo)

MoreThuente

public MoreThuente(OptimizationUtils.GradientSolver gslvr,
                   double[] betaStart,
                   OptimizationUtils.GradientInfo ginfo,
                   double ftol,
                   double gtol,
                   double xtol)

Method Detail

setInitialStep

public OptimizationUtils.MoreThuente setInitialStep(double t)

Specified by:

setInitialStep in interface OptimizationUtils.LineSearchSolver

nfeval

public int nfeval()

Specified by:

nfeval in interface OptimizationUtils.LineSearchSolver

getObj

public double getObj()

Specified by:

getObj in interface OptimizationUtils.LineSearchSolver

getX

public double[] getX()

Specified by:

getX in interface OptimizationUtils.LineSearchSolver

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

evaluate

public boolean evaluate(double[] direction)

Specified by:

evaluate in interface OptimizationUtils.LineSearchSolver

step

public double step()

Specified by:

step in interface OptimizationUtils.LineSearchSolver

ginfo

public OptimizationUtils.GradientInfo ginfo()

Specified by:

ginfo in interface OptimizationUtils.LineSearchSolver