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Reference Guide
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ROOT::Math::Roots::Steffenson Class Reference

Steffenson method, providing the fastes convergence.

See the GSL manual for more information

Definition at line 178 of file RootFinderAlgorithms.h.

Public Member Functions

 Steffenson ()
virtual ~Steffenson ()
- Public Member Functions inherited from ROOT::Math::GSLRootFinderDeriv
 GSLRootFinderDeriv ()
virtual ~GSLRootFinderDeriv ()
int Iterate ()
 iterate (return GSL_SUCCESS in case of successful iteration) More...
int Iterations () const
 Return number of iterations. More...
const char * Name () const
 Return name of root finder algorithm. More...
double Root () const
 Returns the previously calculated root. More...
bool SetFunction (const IGradFunction &f, double xstart)
 Sets the function for algorithms using derivatives. More...
bool SetFunction (GSLFuncPointer f, GSLFuncPointer df, GSLFdFPointer fdf, void *p, double Root)
bool Solve (int maxIter=100, double absTol=1E-8, double relTol=1E-10)
 Find the root (return false if failed) More...
int Status () const
 Return the status of last root finding. More...
- Public Member Functions inherited from ROOT::Math::IRootFinderMethod
 IRootFinderMethod ()
 Default Constructor. More...
virtual ~IRootFinderMethod ()
 Default Destructor. More...
virtual bool SetFunction (const ROOT::Math::IGenFunction &, double, double)
 Sets the function for the rest of the algorithms. More...

Private Member Functions

 Steffenson (const Steffenson &)
Steffensonoperator= (const Steffenson &)

Additional Inherited Members

- Public Types inherited from ROOT::Math::GSLRootFinderDeriv
typedef void(* GSLFdFPointer) (double, void *, double *, double *)
typedef double(* GSLFuncPointer) (double, void *)
- Protected Member Functions inherited from ROOT::Math::GSLRootFinderDeriv
void FreeSolver ()
void SetSolver (GSLRootFdFSolver *s)

#include <Math/RootFinderAlgorithms.h>

Inheritance diagram for ROOT::Math::Roots::Steffenson:

Constructor & Destructor Documentation

◆ Steffenson() [1/2]

ROOT::Math::Roots::Steffenson::Steffenson ( )

Definition at line 187 of file RootFinderAlgorithms.cxx.

◆ ~Steffenson()

ROOT::Math::Roots::Steffenson::~Steffenson ( )

Definition at line 194 of file RootFinderAlgorithms.cxx.

◆ Steffenson() [2/2]

ROOT::Math::Roots::Steffenson::Steffenson ( const Steffenson )

Definition at line 200 of file RootFinderAlgorithms.cxx.

Member Function Documentation

◆ operator=()

Steffenson & ROOT::Math::Roots::Steffenson::operator= ( const Steffenson rhs)

Definition at line 205 of file RootFinderAlgorithms.cxx.

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