ROOT::Math::GSLMultiFit Class Reference

GSLMultiFit, internal class for implementing GSL non linear least square GSL fitting.

Definition at line 53 of file GSLMultiFit.h.

Public Member Functions
	GSLMultiFit (const gsl_multifit_fdfsolver_type *type=nullptr)
	Default constructor No need to specify the type so far since only one solver exists so far.
	GSLMultiFit (const GSLMultiFit &)=delete
	GSLMultiFit (GSLMultiFit &&)=delete
	~GSLMultiFit ()
	Destructor (no operations)
const double *	CovarMatrix () const
	return covariance matrix of the parameters
void	CreateSolver (unsigned int npoints, unsigned int npar)
	create the minimizer from the type and size of number of fitting points and number of parameters
double	Edm () const
const double *	Gradient () const
	gradient value at the minimum
int	Iterate ()
std::string	Name () const
GSLMultiFit &	operator= (const GSLMultiFit &rhs)=delete
GSLMultiFit &	operator= (GSLMultiFit &&rhs)=delete
template<class Func >
int	Set (const std::vector< Func > &funcVec, const double *x)
	set the solver parameters
int	TestDelta (double absTol, double relTol) const
	test using abs and relative tolerance |dx| < absTol + relTol*|x| for every component
int	TestGradient (double absTol) const
	test gradient (ask from solver gradient vector)
const double *	X () const
	parameter values at the minimum

Private Attributes
gsl_matrix *	fCov
GSLMultiFitFunctionWrapper	fFunc
gsl_multifit_fdfsolver *	fSolver
gsl_vector *	fTmp
const gsl_multifit_fdfsolver_type *	fType
gsl_vector *	fVec

#include </github/home/ROOT-CI/src/math/mathmore/src/GSLMultiFit.h>

Constructor & Destructor Documentation

GSLMultiFit() [1/3]

ROOT::Math::GSLMultiFit::GSLMultiFit ( const gsl_multifit_fdfsolver_type * type = nullptr )

inline

Default constructor No need to specify the type so far since only one solver exists so far.

Definition at line 61 of file GSLMultiFit.h.

~GSLMultiFit()

ROOT::Math::GSLMultiFit::~GSLMultiFit ( )

inline

Destructor (no operations)

Definition at line 77 of file GSLMultiFit.h.

GSLMultiFit() [2/3]

ROOT::Math::GSLMultiFit::GSLMultiFit ( const GSLMultiFit & )

delete

GSLMultiFit() [3/3]

ROOT::Math::GSLMultiFit::GSLMultiFit ( GSLMultiFit && )

delete

Member Function Documentation

CovarMatrix()

const double * ROOT::Math::GSLMultiFit::CovarMatrix ( ) const

inline

return covariance matrix of the parameters

Definition at line 169 of file GSLMultiFit.h.

CreateSolver()

void ROOT::Math::GSLMultiFit::CreateSolver ( unsigned int npoints, unsigned int npar )

inline

create the minimizer from the type and size of number of fitting points and number of parameters

Definition at line 94 of file GSLMultiFit.h.

Edm()

double ROOT::Math::GSLMultiFit::Edm ( ) const

inline

Definition at line 197 of file GSLMultiFit.h.

Gradient()

const double * ROOT::Math::GSLMultiFit::Gradient ( ) const

inline

gradient value at the minimum

Definition at line 158 of file GSLMultiFit.h.

Iterate()

int ROOT::Math::GSLMultiFit::Iterate ( )

inline

Definition at line 146 of file GSLMultiFit.h.

Name()

std::string ROOT::Math::GSLMultiFit::Name ( ) const

inline

Definition at line 141 of file GSLMultiFit.h.

operator=() [1/2]

GSLMultiFit & ROOT::Math::GSLMultiFit::operator= ( const GSLMultiFit & rhs )

delete

operator=() [2/2]

GSLMultiFit & ROOT::Math::GSLMultiFit::operator= ( GSLMultiFit && rhs )

delete

Set()

template<class Func >

int ROOT::Math::GSLMultiFit::Set ( const std::vector< Func > & funcVec, const double * x )

inline

set the solver parameters

Definition at line 111 of file GSLMultiFit.h.

TestDelta()

int ROOT::Math::GSLMultiFit::TestDelta ( double absTol, double relTol ) const

inline

test using abs and relative tolerance |dx| < absTol + relTol*|x| for every component

Definition at line 191 of file GSLMultiFit.h.

TestGradient()

int ROOT::Math::GSLMultiFit::TestGradient ( double absTol ) const

inline

test gradient (ask from solver gradient vector)

Definition at line 183 of file GSLMultiFit.h.

X()

const double * ROOT::Math::GSLMultiFit::X ( ) const

inline

parameter values at the minimum

Definition at line 152 of file GSLMultiFit.h.

Member Data Documentation

fCov

gsl_matrix* ROOT::Math::GSLMultiFit::fCov

mutableprivate

Definition at line 221 of file GSLMultiFit.h.

fFunc

GSLMultiFitFunctionWrapper ROOT::Math::GSLMultiFit::fFunc

private

Definition at line 216 of file GSLMultiFit.h.

fSolver

gsl_multifit_fdfsolver* ROOT::Math::GSLMultiFit::fSolver

private

Definition at line 217 of file GSLMultiFit.h.

fTmp

gsl_vector* ROOT::Math::GSLMultiFit::fTmp

mutableprivate

Definition at line 220 of file GSLMultiFit.h.

fType

const gsl_multifit_fdfsolver_type* ROOT::Math::GSLMultiFit::fType

private

Definition at line 225 of file GSLMultiFit.h.

fVec

gsl_vector* ROOT::Math::GSLMultiFit::fVec

mutableprivate

Definition at line 219 of file GSLMultiFit.h.