35 std::vector<double> err(x.size());
36 err.assign(x.size(), 0.1);
43 assert( grad.
size() == x.size() );
Namespace for new ROOT classes and functions.
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...
class performing the numerical gradient calculation
Wrapper class to FCNBase interface used internally by Minuit.
const MnUserTransformation & Trafo() const
class which holds the external user and/or internal Minuit representation of the parameters and error...
unsigned int size() const
API class for defining three levels of strategies: low (0), medium (1), high (>=2); acts on: Migrad (...