ROOT::Minuit2::MnMinos Class Reference

API class for Minos Error analysis (asymmetric errors); minimization has to be done before and Minimum must be valid; possibility to ask only for one side of the Minos Error;.

Definition at line 33 of file MnMinos.h.

Public Member Functions
	MnMinos (const FCNBase &fcn, const FunctionMinimum &min, const MnStrategy &stra)
	construct from FCN + Minimum + strategy
	MnMinos (const FCNBase &fcn, const FunctionMinimum &min, unsigned int stra=1)
	construct from FCN + Minimum + strategy
MnCross	Loval (unsigned int, unsigned int maxcalls=0, double toler=0.1) const
double	Lower (unsigned int, unsigned int maxcalls=0, double toler=0.1) const
	calculate one side (negative or positive Error) of the Parameter give as input (optionally) maxcalls and tolerance
MinosError	Minos (unsigned int, unsigned int maxcalls=0, double toler=0.1) const
	ask for MinosError (Lower + Upper) can be printed via std::cout
std::pair< double, double >	operator() (unsigned int, unsigned int maxcalls=0, double toler=0.1) const
	returns the negative (pair.first) and the positive (pair.second) Minos Error of the Parameter
double	Upper (unsigned int, unsigned int maxcalls=0, double toler=0.1) const
MnCross	Upval (unsigned int, unsigned int maxcalls=0, double toler=0.1) const

Protected Member Functions
MnCross	FindCrossValue (int dir, unsigned int, unsigned int maxcalls, double toler) const
	internal method to get crossing value via MnFunctionCross

Private Attributes
const FCNBase &	fFCN
const FunctionMinimum &	fMinimum
MnStrategy	fStrategy

#include <Minuit2/MnMinos.h>

Constructor & Destructor Documentation

MnMinos() [1/2]

ROOT::Minuit2::MnMinos::MnMinos	(	const FCNBase &	fcn,
		const FunctionMinimum &	min,
		unsigned int	stra = 1 )

construct from FCN + Minimum + strategy

Definition at line 22 of file MnMinos.cxx.

MnMinos() [2/2]

ROOT::Minuit2::MnMinos::MnMinos	(	const FCNBase &	fcn,
		const FunctionMinimum &	min,
		const MnStrategy &	stra )

construct from FCN + Minimum + strategy

Definition at line 34 of file MnMinos.cxx.

Member Function Documentation

FindCrossValue()

MnCross ROOT::Minuit2::MnMinos::FindCrossValue ( int direction, unsigned int par, unsigned int maxcalls, double toler ) const

protected

internal method to get crossing value via MnFunctionCross

Get crossing value in the parameter direction.

Parameters

direction	1 upper value, -1 lower value
par	parameter index
maxcalls	maximum number of function calls, if 0, it will be replaced by 2 * (nvar + 1) * (200 + 100 * nvar + 5 * nvar * nvar where nvar is number of variable parameters
toler	tolerance used for Migrad minimizations

Definition at line 100 of file MnMinos.cxx.

Loval()

MnCross ROOT::Minuit2::MnMinos::Loval	(	unsigned int	par,
		unsigned int	maxcalls = 0,
		double	toler = 0.1 ) const

Definition at line 206 of file MnMinos.cxx.

Lower()

double ROOT::Minuit2::MnMinos::Lower	(	unsigned int	par,
		unsigned int	maxcalls = 0,
		double	toler = 0.1 ) const

calculate one side (negative or positive Error) of the Parameter give as input (optionally) maxcalls and tolerance

Definition at line 53 of file MnMinos.cxx.

Minos()

MinosError ROOT::Minuit2::MnMinos::Minos	(	unsigned int	par,
		unsigned int	maxcalls = 0,
		double	toler = 0.1 ) const

ask for MinosError (Lower + Upper) can be printed via std::cout

Definition at line 75 of file MnMinos.cxx.

operator()()

std::pair< double, double > ROOT::Minuit2::MnMinos::operator()	(	unsigned int	par,
		unsigned int	maxcalls = 0,
		double	toler = 0.1 ) const

returns the negative (pair.first) and the positive (pair.second) Minos Error of the Parameter

Definition at line 46 of file MnMinos.cxx.

Upper()

double ROOT::Minuit2::MnMinos::Upper	(	unsigned int	par,
		unsigned int	maxcalls = 0,
		double	toler = 0.1 ) const

Definition at line 64 of file MnMinos.cxx.

Upval()

MnCross ROOT::Minuit2::MnMinos::Upval	(	unsigned int	par,
		unsigned int	maxcalls = 0,
		double	toler = 0.1 ) const

Definition at line 200 of file MnMinos.cxx.

Member Data Documentation

fFCN

const FCNBase& ROOT::Minuit2::MnMinos::fFCN

private

Definition at line 63 of file MnMinos.h.

fMinimum

const FunctionMinimum& ROOT::Minuit2::MnMinos::fMinimum

private

Definition at line 64 of file MnMinos.h.

fStrategy

MnStrategy ROOT::Minuit2::MnMinos::fStrategy

private

Definition at line 65 of file MnMinos.h.

Libraries for ROOT::Minuit2::MnMinos:

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

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