ROOT::Math::GSLMultiFit Class Reference

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

Definition at line 52 of file GSLMultiFit.h.

Public Member Functions
	GSLMultiFit (const gsl_multifit_fdfsolver_type *type=0)
	Default constructor No need to specify the type so far since only one solver exists so far. More...
	~GSLMultiFit ()
	Destructor (no operations) More...
const double *	CovarMatrix () const
	return covariance matrix of the parameters More...
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 More...
double	Edm () const
const double *	Gradient () const
	gradient value at the minimum More...
int	Iterate ()
std::string	Name () const
template<class Func >
int	Set (const std::vector< Func > &funcVec, const double *x)
	set the solver parameters More...
int	TestDelta (double absTol, double relTol) const
	test using abs and relative tolerance |dx| < absTol + relTol*|x| for every component More...
int	TestGradient (double absTol) const
	test gradient (ask from solver gradient vector) More...
const double *	X () const
	parameter values at the minimum More...

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

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

#include </mnt/build/workspace/root-makedoc-v612/rootspi/rdoc/src/v6-12-00-patches/math/mathmore/src/GSLMultiFit.h>

Constructor & Destructor Documentation

GSLMultiFit() [1/2]

ROOT::Math::GSLMultiFit::GSLMultiFit ( const gsl_multifit_fdfsolver_type *  type = 0 )

inline

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

Definition at line 60 of file GSLMultiFit.h.

~GSLMultiFit()

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

inline

Destructor (no operations)

Definition at line 76 of file GSLMultiFit.h.

GSLMultiFit() [2/2]

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

inlineprivate

Copy constructor.

Definition at line 92 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 181 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 106 of file GSLMultiFit.h.

Edm()

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

inline

Definition at line 209 of file GSLMultiFit.h.

Gradient()

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

inline

gradient value at the minimum

Definition at line 170 of file GSLMultiFit.h.

Iterate()

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

inline

Definition at line 157 of file GSLMultiFit.h.

Name()

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

inline

Definition at line 152 of file GSLMultiFit.h.

operator=()

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

inlineprivate

Assignment operator.

Definition at line 97 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 123 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 203 of file GSLMultiFit.h.

TestGradient()

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

inline

test gradient (ask from solver gradient vector)

Definition at line 195 of file GSLMultiFit.h.

X()

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

inline

parameter values at the minimum

Definition at line 163 of file GSLMultiFit.h.

Member Data Documentation

fCov

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

mutableprivate

Definition at line 233 of file GSLMultiFit.h.

fFunc

GSLMultiFitFunctionWrapper ROOT::Math::GSLMultiFit::fFunc

private

Definition at line 228 of file GSLMultiFit.h.

fSolver

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

private

Definition at line 229 of file GSLMultiFit.h.

fTmp

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

mutableprivate

Definition at line 232 of file GSLMultiFit.h.

fType

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

private

Definition at line 237 of file GSLMultiFit.h.

fVec

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

mutableprivate

Definition at line 231 of file GSLMultiFit.h.

Libraries for ROOT::Math::GSLMultiFit:

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