Package dev.nm.stat.evt.evd.univariate.fitting.acer

Class ACERInverseFunction

java.lang.Object

dev.nm.analysis.function.rn2r1.AbstractRealScalarFunction

dev.nm.analysis.function.rn2r1.univariate.AbstractUnivariateRealFunction

dev.nm.stat.evt.evd.univariate.fitting.acer.ACERInverseFunction

All Implemented Interfaces:

Function<Vector,Double>, RealScalarFunction, UnivariateRealFunction

public class ACERInverseFunction
extends AbstractUnivariateRealFunction

The inverse of the ACER function. \[ \epsilon_k^{-1}(x) = \exp(\frac{1}{c}( \log(-\log\frac{x}{q}) - \log a)) + b \]

Nested Class Summary

Nested classes/interfaces inherited from interface dev.nm.analysis.function.Function

Function.EvaluationException

Constructor Summary

Constructors

Constructor	Description
ACERInverseFunction(ACERFunction.ACERParameter param)

Method Summary

Modifier and Type	Method	Description
double	evaluate(double epsilon)	Evaluate y = f(x).

Methods inherited from class dev.nm.analysis.function.rn2r1.univariate.AbstractUnivariateRealFunction

evaluate

Methods inherited from class dev.nm.analysis.function.rn2r1.AbstractRealScalarFunction

dimensionOfDomain, dimensionOfRange

Methods inherited from class java.lang.Object

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

Methods inherited from interface dev.nm.analysis.function.Function

dimensionOfDomain, dimensionOfRange

Constructor Details

ACERInverseFunction

public ACERInverseFunction(ACERFunction.ACERParameter param)

Method Details

evaluate

public double evaluate(double epsilon)

Description copied from interface: UnivariateRealFunction

Evaluate y = f(x).

Parameters:

epsilon - x

Returns:

f(x)