TChi2FCN Class Reference

#include <TChi2FCN.h>

Inheritance diagram for TChi2FCN:

List of all members.

Public Types
typedef TF1	ModelFunction
typedef TF1	ModelFunction
Public Member Functions
	TChi2FCN (const TVirtualFitter &fitter)
	TChi2FCN (TChi2FitData *data, ModelFunction *func)
	~TChi2FCN ()
double	operator() (const std::vector< double > &) const
double	Up () const
void	SetErrorDef (double up)
	TChi2FCN (const TVirtualFitter &fitter)
	TChi2FCN (TChi2FitData *data, ModelFunction *func)
	~TChi2FCN ()
double	operator() (const std::vector< double > &) const
double	Up () const
void	SetErrorDef (double up)
Private Attributes
double	fUp
bool	fOwner
TChi2FitData *	fData
ModelFunction *	fFunc
TChi2FitData *	fData
ModelFunction *	fFunc

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Detailed Description

Class implementing the standard Chi2 objective function

Definition at line 25 of file TChi2FCN.h.

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Member Typedef Documentation

typedef TF1 TChi2FCN::ModelFunction

Definition at line 32 of file TChi2FCN.h.

typedef TF1 TChi2FCN::ModelFunction

Definition at line 32 of file TChi2FCN.h.

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Constructor & Destructor Documentation

TChi2FCN::TChi2FCN

(

const TVirtualFitter &

fitter

)

construct passing fitter which has ROOT data object and model function.

Definition at line 26 of file TChi2FCN.cxx.

References fData, fFunc, TVirtualFitter::GetUserFunc(), TF1::SetNumberFitPoints(), and TChi2FitData::Size().

TChi2FCN::TChi2FCN	(	TChi2FitData *	data,
		ModelFunction *	func
	)			[inline]

constructor passing data and function In this case does not own the data

Definition at line 45 of file TChi2FCN.h.

TChi2FCN::~TChi2FCN

(

)

this class manages the fit data class. Delete it at the end

Definition at line 44 of file TChi2FCN.cxx.

References fData, fOwner, and TChi2FitData::Size().

TChi2FCN::TChi2FCN

(

const TVirtualFitter &

fitter

)

construct passing fitter which has ROOT data object and model function.

TChi2FCN::TChi2FCN	(	TChi2FitData *	data,
		ModelFunction *	func
	)			[inline]

constructor passing data and function In this case does not own the data

Definition at line 45 of file TChi2FCN.h.

TChi2FCN::~TChi2FCN

(

)

this class manages the fit data class. Delete it at the end

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Member Function Documentation

double TChi2FCN::operator()

(

const std::vector< double > &

)

const [virtual]

evaluate objective function

Implements ROOT::Minuit2::FCNBase.

Definition at line 56 of file TChi2FCN.cxx.

References TChi2FitData::Coords(), FitterUtil::EvalIntegral(), TF1::EvalPar(), fData, fFunc, i, TF1::InitArgs(), TChi2FitData::InvError(), n, TF1::RejectedPoint(), TF1::RejectPoint(), TF1::SetNumberFitPoints(), TChi2FitData::Size(), TChi2FitData::UseIntegral(), TChi2FitData::Value(), x, x2, and y.

double TChi2FCN::Up

(

)

const [inline, virtual]

return error definition for chi2 = 1

Implements ROOT::Minuit2::FCNBase.

Definition at line 70 of file TChi2FCN.h.

References fUp.

void TChi2FCN::SetErrorDef

(

double

up

)

[inline, virtual]

add interface to set dynamically a new error definition Re-implement this function if needed.

Reimplemented from ROOT::Minuit2::FCNBase.

Definition at line 72 of file TChi2FCN.h.

References fUp.

double TChi2FCN::operator()

(

const std::vector< double > &

)

const [virtual]

evaluate objective function

Implements ROOT::Minuit2::FCNBase.

double TChi2FCN::Up

(

)

const [inline, virtual]

return error definition for chi2 = 1

Implements ROOT::Minuit2::FCNBase.

Definition at line 70 of file TChi2FCN.h.

References fUp.

void TChi2FCN::SetErrorDef

(

double

up

)

[inline, virtual]

add interface to set dynamically a new error definition Re-implement this function if needed.

Reimplemented from ROOT::Minuit2::FCNBase.

Definition at line 72 of file TChi2FCN.h.

References fUp.

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Member Data Documentation

double TChi2FCN::fUp [private]

Definition at line 79 of file TChi2FCN.h.

Referenced by SetErrorDef(), and Up().

bool TChi2FCN::fOwner [private]

Definition at line 80 of file TChi2FCN.h.

Referenced by ~TChi2FCN().

TChi2FitData* TChi2FCN::fData [private]

Definition at line 82 of file TChi2FCN.h.

Referenced by operator()(), TChi2FCN(), and ~TChi2FCN().

ModelFunction* TChi2FCN::fFunc [mutable, private]

Definition at line 83 of file TChi2FCN.h.

Referenced by operator()(), and TChi2FCN().

TChi2FitData* TChi2FCN::fData [private]

Definition at line 82 of file TChi2FCN.h.

ModelFunction* TChi2FCN::fFunc [mutable, private]

Definition at line 83 of file TChi2FCN.h.

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

• include/TChi2FCN.h
• math/minuit2/inc/TChi2FCN.h
• math/minuit2/src/TChi2FCN.cxx

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