Inheritance diagram for QMathFunction:
Public Types | |
| typedef double(*) | QRoutinePointer (double, double *params) |
| pointer to function | |
Public Member Functions | |
| QMathFunction (QRoutinePointer funcpointer, unsigned int NParameters, double LowBound, double UpBound) | |
| constructor | |
| QMathFunction (const QMathFunction &func) | |
| copy constructor | |
| virtual | ~QMathFunction () |
| destructor | |
| const QMathFunction & | operator= (const QMathFunction &func) |
| operator= | |
| void | SetParameter (unsigned int p, double val) |
| set parameter value | |
| void | SetParameter (unsigned int p, const char *name, double val) |
| set parameter value and name | |
| void | SetParameters (const double *param) |
| set all parameters from an array that has to be well sized | |
| double | GetParameter (unsigned int p) const |
| get parameter | |
| const double * | GetParameters () const |
| pointer to array of parameters | |
| size_t | GetNParameters () const |
| get number of parameters | |
| double | Eval (double x) const |
| evaluate function | |
| double | Eval (double x, double *params) const |
| evaluate function with external parameters | |
| virtual void | Print () |
| print parameters and names if set | |
| void | SetVerbose (bool verbose=true) |
| set verbose | |
| virtual void | SetTF1 (TF1 &tf1) |
| set parameters from ROOT TF1 | |
| QError | GetMinimum (double &min, double &minpos, double epsabs=0.001, double epsrel=0.0) |
| get function minimum | |
| QError | GetMaximum (double &max, double &maxpos, double epsabs=0.001, double epsrel=0.0) |
| get function maximum | |
Protected Member Functions | |
| gsl_function | GetGSLFunction () |
| return a gsl function | |
| void | SetParName (unsigned int p, const char *name) |
| set parameter name | |
Protected Attributes | |
| QRoutinePointer | fRoutine |
| pointer to the underlying static function | |
| size_t | fNParameters |
| number of parameters | |
| double * | fParameters |
| array of parameters | |
| std::vector< const char * > | fParNames |
| parameters names | |
| double | fLowBound |
| low function bound | |
| double | fUpBound |
| high function bound | |
| bool | fVerbose |
| verbose | |
Friends | |
| class | QMinimizer |
| QError QMathFunction::GetMinimum | ( | double & | min, | |
| double & | minpos, | |||
| double | epsabs = 0.001, |
|||
| double | epsrel = 0.0 | |||
| ) |
get function minimum
| min | f(x_min) | |
| minpos | x_min | |
| epsabs | absolute precision | |
| epsrel | relative precision |
| QError QMathFunction::GetMaximum | ( | double & | max, | |
| double & | maxpos, | |||
| double | epsabs = 0.001, |
|||
| double | epsrel = 0.0 | |||
| ) |
get function maximum
| max | f(x_max) | |
| maxpos | x_max | |
| epsabs | absolute precision | |
| epsrel | relative precision |
1.5.1