hep.aida.ref.function

Class ExponentialCoreNorm

java.lang.Object

hep.aida.ref.function.FunctionCore

hep.aida.ref.function.ExponentialCoreNorm

public class ExponentialCoreNorm
extends FunctionCore

Normalised Exponential (E) distribution in the form: f = (1/N)*exp((x-origin)/exponent)) has 2 parameters, Normalization Amplitude N is calculated by the "normalizationAmplitude" method

Constructor Summary

Constructors

Constructor and Description
ExponentialCoreNorm(java.lang.String str)
ExponentialCoreNorm(java.lang.String str, double[] pVal)

Method Summary

Modifier and Type	Method and Description
double	functionValue(double[] var)
double[]	gradient(double[] var)
double	normalizationAmplitude(double[] xMin, double[] xMax)
double[]	parameterGradient(double[] var)
boolean	providesGradient()
boolean	providesNormalization()
boolean	providesParameterGradient()

Methods inherited from class hep.aida.ref.function.FunctionCore

addCoreListener, dimension, getHandles, indexOfParameter, numberOfParameters, parameter, parameterNames, parameters, setParameter, setParameterNames, setParameters, setTitle, title

Methods inherited from class java.lang.Object

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

Constructor Detail

ExponentialCoreNorm

public ExponentialCoreNorm(java.lang.String str)

ExponentialCoreNorm

public ExponentialCoreNorm(java.lang.String str,
                           double[] pVal)

Method Detail

functionValue

public double functionValue(double[] var)

Specified by:

functionValue in class FunctionCore

providesGradient

public boolean providesGradient()

Specified by:

providesGradient in class FunctionCore

gradient

public double[] gradient(double[] var)

Specified by:

gradient in class FunctionCore

providesParameterGradient

public boolean providesParameterGradient()

Specified by:

providesParameterGradient in class FunctionCore

parameterGradient

public double[] parameterGradient(double[] var)

Specified by:

parameterGradient in class FunctionCore

providesNormalization

public boolean providesNormalization()

Specified by:

providesNormalization in class FunctionCore

normalizationAmplitude

public double normalizationAmplitude(double[] xMin,
                                     double[] xMax)

Specified by:

normalizationAmplitude in class FunctionCore