API class for minimization using Variable Metric technology ("MIGRAD"); allows for user interaction: set/change parameters, do minimization, change parameters, re-do minimization etc.; also used by MnMinos and MnContours;.

Definition at line 32 of file MnMigrad.h.

Public Member Functions
	MnMigrad (const FCNBase &fcn, const MnUserParameterState &par, const MnStrategy &str=MnStrategy{1})
	construct from FCNBase + MnUserParameterState + MnStrategy

	MnMigrad (const MnMigrad &)=default
	Copy constructor, copy shares the reference to the same FCNBase in MnApplication.

const ModularFunctionMinimizer &	Minimizer () const override

ModularFunctionMinimizer &	Minimizer () override

MnMigrad &	operator= (const MnMigrad &)=delete

Public Member Functions inherited from ROOT::Minuit2::MnApplication
	MnApplication (const FCNBase &fcn, const MnUserParameterState &state, const MnStrategy &stra, unsigned int nfcn=0)
	constructor from non-gradient functions

virtual	~MnApplication ()

void	Add (const char *, double)

void	Add (const char *Name, double val, double err)

void	Add (const char *Name, double val, double err, double, double)

const MnUserCovariance &	Covariance () const

double	Error (const char *) const

double	Error (unsigned int) const

std::vector< double >	Errors () const

double	Ext2int (unsigned int, double) const

unsigned int	ExtOfInt (unsigned int) const

virtual const FCNBase &	Fcnbase () const

void	Fix (const char *)

void	Fix (unsigned int)

unsigned int	Index (const char *) const

double	Int2ext (unsigned int, double) const

unsigned int	IntOfExt (unsigned int) const

const std::vector< ROOT::Minuit2::MinuitParameter > &	MinuitParameters () const

const char *	Name (unsigned int) const

unsigned int	NumOfCalls () const

virtual FunctionMinimum	operator() (unsigned int maxfcn=0, double tolerance=0.1)
	Minimize the function.

const MinuitParameter &	Parameter (unsigned int i) const

const MnUserParameters &	Parameters () const

std::vector< double >	Params () const

const MnMachinePrecision &	Precision () const

void	Release (const char *)

void	Release (unsigned int)

void	RemoveLimits (const char *)

void	RemoveLimits (unsigned int)

void	SetError (const char *, double)

void	SetError (unsigned int, double)

void	SetLimits (const char *, double, double)

void	SetLimits (unsigned int, double, double)

void	SetPrecision (double)

void	SetValue (const char *, double)

void	SetValue (unsigned int, double)

const MnUserParameterState &	State () const

const MnStrategy &	Strategy () const

double	Value (const char *) const

double	Value (unsigned int) const

unsigned int	VariableParameters () const

Private Attributes
VariableMetricMinimizer	fMinimizer

Additional Inherited Members
Protected Attributes inherited from ROOT::Minuit2::MnApplication
const FCNBase &	fFCN

unsigned int	fNumCall

MnUserParameterState	fState

MnStrategy	fStrategy

#include <Minuit2/MnMigrad.h>

Inheritance diagram for ROOT::Minuit2::MnMigrad:

[legend]

Constructor & Destructor Documentation

◆ MnMigrad() [1/2]

ROOT::Minuit2::MnMigrad::MnMigrad	(	const FCNBase &	fcn,
		const MnUserParameterState &	par,
		const MnStrategy &	str = MnStrategy{1} )

inline

construct from FCNBase + MnUserParameterState + MnStrategy

Definition at line 36 of file MnMigrad.h.

◆ MnMigrad() [2/2]

ROOT::Minuit2::MnMigrad::MnMigrad ( const MnMigrad & )

default

Copy constructor, copy shares the reference to the same FCNBase in MnApplication.

Member Function Documentation

◆ Minimizer() [1/2]

const ModularFunctionMinimizer & ROOT::Minuit2::MnMigrad::Minimizer ( ) const

inlineoverridevirtual

Implements ROOT::Minuit2::MnApplication.

Definition at line 48 of file MnMigrad.h.

◆ Minimizer() [2/2]

ModularFunctionMinimizer & ROOT::Minuit2::MnMigrad::Minimizer ( )

inlineoverridevirtual

Implements ROOT::Minuit2::MnApplication.

Definition at line 47 of file MnMigrad.h.

◆ operator=()

MnMigrad & ROOT::Minuit2::MnMigrad::operator= ( const MnMigrad & )

delete

Member Data Documentation

◆ fMinimizer

VariableMetricMinimizer ROOT::Minuit2::MnMigrad::fMinimizer

private

Definition at line 51 of file MnMigrad.h.

Libraries for ROOT::Minuit2::MnMigrad: