In case that one of the components of the second derivative g2 calculated by the numerical Gradient calculator is negative, a 1dim line search in the direction of that component is done in order to find a better position where g2 is again positive.

Definition at line 30 of file NegativeG2LineSearch.h.

Public Member Functions
	NegativeG2LineSearch ()

	~NegativeG2LineSearch ()

bool	HasNegativeG2 (const FunctionGradient &, const MnMachinePrecision &) const

MinimumState	operator() (const MnFcn &, const MinimumState &, const GradientCalculator &, const MnMachinePrecision &) const

#include <Minuit2/NegativeG2LineSearch.h>

Constructor & Destructor Documentation

◆ NegativeG2LineSearch()

ROOT::Minuit2::NegativeG2LineSearch::NegativeG2LineSearch ( )

inline

Definition at line 34 of file NegativeG2LineSearch.h.

◆ ~NegativeG2LineSearch()

ROOT::Minuit2::NegativeG2LineSearch::~NegativeG2LineSearch ( )

inline

Definition at line 36 of file NegativeG2LineSearch.h.

Member Function Documentation

◆ HasNegativeG2()

bool ROOT::Minuit2::NegativeG2LineSearch::HasNegativeG2	(	const FunctionGradient &	grad,
		const MnMachinePrecision &
	)		const

Definition at line 115 of file NegativeG2LineSearch.cxx.

◆ operator()()

MinimumState ROOT::Minuit2::NegativeG2LineSearch::operator()	(	const MnFcn &	fcn,
		const MinimumState &	st,
		const GradientCalculator &	gc,
		const MnMachinePrecision &	prec
	)		const

Definition at line 32 of file NegativeG2LineSearch.cxx.

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

math/minuit2/inc/Minuit2/NegativeG2LineSearch.h
math/minuit2/src/NegativeG2LineSearch.cxx