Package org.ddogleg.optimization

Class FactoryLossFunctions

java.lang.Object

org.ddogleg.optimization.FactoryLossFunctions

public class FactoryLossFunctions
extends Object

Factory for creating different LossFunction and LossFunctionGradient.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FactoryLossFunctions.Funcs

Constructor Summary

Constructors

Constructor	Description
FactoryLossFunctions()

Method Summary

Modifier and Type	Method	Description
static FactoryLossFunctions.Funcs	cauchy(double alpha)
static FactoryLossFunctions.Funcs	general(ConfigLoss config)	Create the loss function from a config.
static FactoryLossFunctions.Funcs	huber(double threshold)
static FactoryLossFunctions.Funcs	huberSmooth(double threshold)
static FactoryLossFunctions.Funcs	identity()
static FactoryLossFunctions.Funcs	squared()
static FactoryLossFunctions.Funcs	tukey(double threshold)

Methods inherited from class java.lang.Object

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

Constructor Details

FactoryLossFunctions

public FactoryLossFunctions()

Method Details

general

public static FactoryLossFunctions.Funcs general(ConfigLoss config)

Create the loss function from a config.

cauchy

public static FactoryLossFunctions.Funcs cauchy(double alpha)

See Also:

• LossCauchy

huber

public static FactoryLossFunctions.Funcs huber(double threshold)

See Also:

• LossHuber

huberSmooth

public static FactoryLossFunctions.Funcs huberSmooth(double threshold)

See Also:

• LossHuberSmooth

tukey

public static FactoryLossFunctions.Funcs tukey(double threshold)

See Also:

• LossTukey

squared

public static FactoryLossFunctions.Funcs squared()

See Also:

• LossSquared

identity

public static FactoryLossFunctions.Funcs identity()

See Also:

• LossIdentity