10 #ifndef ROOT_Minuit2_ParametricFunction 11 #define ROOT_Minuit2_ParametricFunction 90 assert(params.size() ==
par.size());
133 virtual double operator()(
const std::vector<double>&
x)
const=0;
154 virtual double operator()(
const std::vector<double>& x,
const std::vector<double>& params)
const {
174 virtual std::vector<double>
GetGradient(
const std::vector<double>& x)
const;
191 mutable std::vector<double>
par;
199 #endif // ROOT_Minuit2_ParametricFunction virtual void SetParameters(const std::vector< double > ¶ms) const
Sets the parameters of the ParametricFunction.
Namespace for new ROOT classes and functions.
virtual unsigned int NumberOfParameters() const
Accessor for the number of parameters.
virtual const std::vector< double > & GetParameters() const
Accessor for the state of the parameters.
virtual std::vector< double > GetGradient(const std::vector< double > &x) const
Member function returning the Gradient of the function with respect to its variables (but without inc...
virtual double operator()(const std::vector< double > &x, const std::vector< double > ¶ms) const
Evaluates the function with the given coordinates and Parameter values.
Interface (abstract class) defining the function to be minimized, which has to be implemented by the ...
Function which has parameters.
* x
Deprecated and error prone model selection interface.
ParametricFunction(const std::vector< double > ¶ms)
Constructor which initializes the ParametricFunction with the parameters given as input...
ParametricFunction(int nparams)
Constructor which initializes the ParametricFunction by setting the number of parameters.
std::vector< double > par
The vector containing the parameters of the function It is mutable for "historical reasons" as in the...
virtual ~ParametricFunction()
virtual double operator()(const std::vector< double > &x) const =0
Evaluates the function with the given coordinates.