ROOT::Minuit2::MnScan Class Reference

API class for minimization using a scan method to find the minimum; allows for user interaction: set/change parameters, do minimization, change parameters, re-do minimization etc.;.

Definition at line 33 of file MnScan.h.

Public Member Functions
	MnScan (const FCNBase &fcn, const MnUserParameterState &par, const MnStrategy &str=MnStrategy{})
	construct from FCNBase + MnUserParameterState + MnStrategy
	MnScan (const MnScan &)=default
	Copy constructor, copy shares the reference to the same FCNBase in MnApplication.
const MnUserCovariance &	Covariance () const
virtual const FCNBase &	Fcnbase () const
const ModularFunctionMinimizer &	Minimizer () const override
ModularFunctionMinimizer &	Minimizer () override
unsigned int	NumOfCalls () const
virtual FunctionMinimum	operator() (unsigned int maxfcn=0, double tolerance=0.1)
	Minimize the function.
MnScan &	operator= (const MnScan &)=delete
const MnUserParameters &	Parameters () const
const MnMachinePrecision &	Precision () const
std::vector< std::pair< double, double > >	Scan (unsigned int par, unsigned int maxsteps=41, double low=0., double high=0.)
MnUserParameterState &	State ()
const MnUserParameterState &	State () const
const MnStrategy &	Strategy () const

Protected Attributes
const FCNBase &	fFCN
unsigned int	fNumCall
MnUserParameterState	fState
MnStrategy	fStrategy

Private Attributes
ScanMinimizer	fMinimizer

#include <Minuit2/MnScan.h>

Inheritance diagram for ROOT::Minuit2::MnScan:

Constructor & Destructor Documentation

MnScan() [1/2]

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

inline

construct from FCNBase + MnUserParameterState + MnStrategy

Definition at line 37 of file MnScan.h.

MnScan() [2/2]

ROOT::Minuit2::MnScan::MnScan ( const MnScan & )

default

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

Member Function Documentation

Covariance()

const MnUserCovariance & ROOT::Minuit2::MnApplication::Covariance ( ) const

inlineinherited

Definition at line 62 of file MnApplication.h.

Fcnbase()

virtual const FCNBase & ROOT::Minuit2::MnApplication::Fcnbase ( ) const

inlinevirtualinherited

Reimplemented in ROOT::Minuit2::MnFumiliMinimize.

Definition at line 63 of file MnApplication.h.

Minimizer() [1/2]

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

inlineoverridevirtual

Implements ROOT::Minuit2::MnApplication.

Definition at line 49 of file MnScan.h.

Minimizer() [2/2]

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

inlineoverridevirtual

Implements ROOT::Minuit2::MnApplication.

Definition at line 48 of file MnScan.h.

NumOfCalls()

unsigned int ROOT::Minuit2::MnApplication::NumOfCalls ( ) const

inlineinherited

Definition at line 65 of file MnApplication.h.

operator()()

FunctionMinimum ROOT::Minuit2::MnApplication::operator() ( unsigned int maxfcn = 0, double tolerance = 0.1 )

virtualinherited

Minimize the function.

Parameters

maxfcn	: max number of function calls (if = 0) default is used which is set to 200 + 100 * npar + 5 * npar**2
tolerance	: value used for terminating iteration procedure. For example, MIGRAD will stop iterating when edm (expected distance from minimum) will be: edm < tolerance * 10**-3 Default value of tolerance used is 0.1

Reimplemented in ROOT::Minuit2::MnFumiliMinimize.

Definition at line 27 of file MnApplication.cxx.

operator=()

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

delete

Parameters()

const MnUserParameters & ROOT::Minuit2::MnApplication::Parameters ( ) const

inlineinherited

Definition at line 61 of file MnApplication.h.

Precision()

const MnMachinePrecision & ROOT::Minuit2::MnApplication::Precision ( ) const

inlineinherited

Definition at line 58 of file MnApplication.h.

Scan()

std::vector< std::pair< double, double > > ROOT::Minuit2::MnScan::Scan	(	unsigned int	par,
		unsigned int	maxsteps = 41,
		double	low = 0.,
		double	high = 0. )

Definition at line 17 of file MnScan.cxx.

State() [1/2]

MnUserParameterState & ROOT::Minuit2::MnApplication::State ( )

inlineinherited

Definition at line 59 of file MnApplication.h.

State() [2/2]

const MnUserParameterState & ROOT::Minuit2::MnApplication::State ( ) const

inlineinherited

Definition at line 60 of file MnApplication.h.

Strategy()

const MnStrategy & ROOT::Minuit2::MnApplication::Strategy ( ) const

inlineinherited

Definition at line 64 of file MnApplication.h.

Member Data Documentation

fFCN

const FCNBase& ROOT::Minuit2::MnApplication::fFCN

protectedinherited

Definition at line 68 of file MnApplication.h.

fMinimizer

ScanMinimizer ROOT::Minuit2::MnScan::fMinimizer

private

Definition at line 55 of file MnScan.h.

fNumCall

unsigned int ROOT::Minuit2::MnApplication::fNumCall

protectedinherited

Definition at line 71 of file MnApplication.h.

fState

MnUserParameterState ROOT::Minuit2::MnApplication::fState

protectedinherited

Definition at line 69 of file MnApplication.h.

fStrategy

MnStrategy ROOT::Minuit2::MnApplication::fStrategy

protectedinherited

Definition at line 70 of file MnApplication.h.

Libraries for ROOT::Minuit2::MnScan:

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

• math/minuit2/inc/Minuit2/MnScan.h
• math/minuit2/src/MnScan.cxx