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