hep.aida.ref.function
Class ExponentialCoreNorm

java.lang.Object
  extended by hep.aida.ref.function.FunctionCore
      extended by 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
ExponentialCoreNorm(java.lang.String str)
           
ExponentialCoreNorm(java.lang.String str, double[] pVal)
           
 
Method Summary
 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


jHepWork 2.8 (©) S.Chekanov