a Newton algorithm, which computes the derivative at each iteration See the GSL manual for more information
Definition at line 132 of file RootFinderAlgorithms.h.
Public Member Functions | |
Newton () | |
~Newton () override | |
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GSLRootFinderDeriv () | |
~GSLRootFinderDeriv () override | |
int | Iterate () override |
iterate (return GSL_SUCCESS in case of successful iteration) | |
int | Iterations () const override |
Return number of iterations. | |
const char * | Name () const override |
Return name of root finder algorithm. | |
double | Root () const override |
Returns the previously calculated root. | |
bool | SetFunction (const IGradFunction &f, double xstart) override |
Sets the function for algorithms using derivatives. | |
virtual bool | SetFunction (const ROOT::Math::IGenFunction &, double, double) |
Sets the function for the rest of the algorithms. | |
virtual bool | SetFunction (const ROOT::Math::IGradFunction &, double) |
Sets the function for algorithms using derivatives. | |
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) override |
Find the root (return false if failed) | |
int | Status () const override |
Return the status of last root finding. | |
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IRootFinderMethod () | |
Default Constructor. | |
virtual | ~IRootFinderMethod () |
Default Destructor. | |
Private Member Functions | |
Newton (const Newton &) | |
Newton & | operator= (const Newton &) |
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::Newton::Newton | ( | ) |
Definition at line 133 of file RootFinderAlgorithms.cxx.
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override |
Definition at line 140 of file RootFinderAlgorithms.cxx.
Definition at line 146 of file RootFinderAlgorithms.cxx.
Definition at line 151 of file RootFinderAlgorithms.cxx.