TFumiliBinLikelihoodFCN Class Reference

#include <TFumiliFCN.h>

Inheritance diagram for TFumiliBinLikelihoodFCN:

List of all members.

Public Member Functions
	TFumiliBinLikelihoodFCN (const TVirtualFitter &fitter, int strategy=1)
virtual	~TFumiliBinLikelihoodFCN ()
double	operator() (const std::vector< double > &) const
double	Chi2 (const std::vector< double > &) const
	TFumiliBinLikelihoodFCN (const TVirtualFitter &fitter, int strategy=1)
virtual	~TFumiliBinLikelihoodFCN ()
double	operator() (const std::vector< double > &) const
double	Chi2 (const std::vector< double > &) const
Protected Member Functions
virtual void	Calculate_element (int i, const TChi2FitData &points, double fval, double &chi2, std::vector< double > &grad, std::vector< double > &hess)
virtual void	Calculate_element (int i, const TChi2FitData &points, double fval, double &chi2, std::vector< double > &grad, std::vector< double > &hess)

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Detailed Description

Fumili interface for binned (Poisson) likelihood functions

Definition at line 139 of file TFumiliFCN.h.

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Constructor & Destructor Documentation

TFumiliBinLikelihoodFCN::TFumiliBinLikelihoodFCN	(	const TVirtualFitter &	fitter,
		int	strategy = 1
	)			[inline]

construct passing fitter which has ROOT data object and model function. use a strategy for calculating derivatives strategy = 1 default 2 point formula . Fast but not very precise strategy = 2 5 point formula

Definition at line 148 of file TFumiliFCN.h.

virtual TFumiliBinLikelihoodFCN::~TFumiliBinLikelihoodFCN

(

)

[inline, virtual]

Definition at line 152 of file TFumiliFCN.h.

TFumiliBinLikelihoodFCN::TFumiliBinLikelihoodFCN	(	const TVirtualFitter &	fitter,
		int	strategy = 1
	)			[inline]

construct passing fitter which has ROOT data object and model function. use a strategy for calculating derivatives strategy = 1 default 2 point formula . Fast but not very precise strategy = 2 5 point formula

Definition at line 148 of file TFumiliFCN.h.

virtual TFumiliBinLikelihoodFCN::~TFumiliBinLikelihoodFCN

(

)

[inline, virtual]

Definition at line 152 of file TFumiliFCN.h.

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Member Function Documentation

double TFumiliBinLikelihoodFCN::operator()

(

const std::vector< double > &

)

const [virtual]

evaluate objective function

Implements TFumiliFCN.

Definition at line 408 of file TFumiliFCN.cxx.

References fcn(), TFumiliFCN::fData, and TFumiliFCN::fFunc.

double TFumiliBinLikelihoodFCN::Chi2

(

const std::vector< double > &

)

const

evaluate chi2 equivalent on the data set

Definition at line 417 of file TFumiliFCN.cxx.

References TFumiliFCN::fData, and TFumiliFCN::fFunc.

void TFumiliBinLikelihoodFCN::Calculate_element	(	int	i,
		const TChi2FitData &	points,
		double	fval,
		double &	chi2,
		std::vector< double > &	grad,
		std::vector< double > &	hess
	)			[protected, virtual]

Implements TFumiliFCN.

Definition at line 301 of file TFumiliFCN.cxx.

References ROOT::Math::fabs(), TFumiliFCN::fFunctionGradient, j, k, kEpsilon, kPrecision, log(), points, and value.

double TFumiliBinLikelihoodFCN::operator()

(

const std::vector< double > &

)

const [virtual]

evaluate objective function

Implements TFumiliFCN.

double TFumiliBinLikelihoodFCN::Chi2

(

const std::vector< double > &

)

const

evaluate chi2 equivalent on the data set

virtual void TFumiliBinLikelihoodFCN::Calculate_element	(	int	i,
		const TChi2FitData &	points,
		double	fval,
		double &	chi2,
		std::vector< double > &	grad,
		std::vector< double > &	hess
	)			[protected, virtual]

Implements TFumiliFCN.

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The documentation for this class was generated from the following files:

• include/TFumiliFCN.h
• math/minuit2/inc/TFumiliFCN.h
• math/minuit2/src/TFumiliFCN.cxx

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