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ROOT 6.10/09 Reference Guide |
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 () |
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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... | |
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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 &) | |
Steffenson & | operator= (const Steffenson &) |
Additional Inherited Members | |
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typedef void(* | GSLFdFPointer) (double, void *, double *, double *) |
typedef double(* | GSLFuncPointer) (double, void *) |
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void | FreeSolver () |
void | SetSolver (GSLRootFdFSolver *s) |
#include <Math/RootFinderAlgorithms.h>
ROOT::Math::Roots::Steffenson::Steffenson | ( | ) |
Definition at line 187 of file RootFinderAlgorithms.cxx.
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virtual |
Definition at line 194 of file RootFinderAlgorithms.cxx.
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private |
Definition at line 200 of file RootFinderAlgorithms.cxx.
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private |
Definition at line 205 of file RootFinderAlgorithms.cxx.