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 ()
	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
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 Member Functions
	GSLMultiFit (const GSLMultiFit &)
	Copy constructor.
GSLMultiFit &	operator= (const GSLMultiFit &rhs)
	Assignment operator.

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

#include </home/sftnight/build/workspace/root-makedoc-master/rootspi/rdoc/src/master/math/mathmore/src/GSLMultiFit.h>

Constructor & Destructor Documentation

GSLMultiFit() [1/2]

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() [2/2]

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

inlineprivate

Copy constructor.

Definition at line 93 of file GSLMultiFit.h.

Member Function Documentation

CovarMatrix()

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

inline

return covariance matrix of the parameters

Definition at line 182 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 107 of file GSLMultiFit.h.

Edm()

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

inline

Definition at line 210 of file GSLMultiFit.h.

Gradient()

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

inline

gradient value at the minimum

Definition at line 171 of file GSLMultiFit.h.

Iterate()

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

inline

Definition at line 158 of file GSLMultiFit.h.

Name()

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

inline

Definition at line 153 of file GSLMultiFit.h.

operator=()

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

inlineprivate

Assignment operator.

Definition at line 98 of file GSLMultiFit.h.

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 124 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 204 of file GSLMultiFit.h.

TestGradient()

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

inline

test gradient (ask from solver gradient vector)

Definition at line 196 of file GSLMultiFit.h.

X()

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

inline

parameter values at the minimum

Definition at line 164 of file GSLMultiFit.h.

Member Data Documentation

fCov

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

mutableprivate

Definition at line 234 of file GSLMultiFit.h.

fFunc

GSLMultiFitFunctionWrapper ROOT::Math::GSLMultiFit::fFunc

private

Definition at line 229 of file GSLMultiFit.h.

fSolver

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

private

Definition at line 230 of file GSLMultiFit.h.

fTmp

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

mutableprivate

Definition at line 233 of file GSLMultiFit.h.

fType

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

private

Definition at line 238 of file GSLMultiFit.h.

fVec

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

mutableprivate

Definition at line 232 of file GSLMultiFit.h.