32 return ( (1./70.)*(21*x*x + 20*y*y + 19*z*z - 14*x*z - 20*y*z) + w*w );
35 double Up()
const {
return 1.;}
57 return ( (1./70.)*(21*x*x + 20*y*y + 19*z*z - 14*x*z - 20*y*z) + w*w );
60 std::vector<double>
Gradient(
const std::vector<double>&
par)
const {
68 std::vector<double> g(4);
69 g[0] = (1./70.) * ( 42. * x - 14. *
z );
70 g[1] = (1./70.) * ( 40. * y - 20. *
z );
71 g[2] = (1./70.) * ( 38. * z - 14. * x - 20. *
y );
76 double Up()
const {
return 1.;}
std::vector< double > Gradient(const std::vector< double > &par) const
This namespace contains pre-defined functions to be used in conjuction with TExecutor::Map and TExecu...
double operator()(const std::vector< double > &par) const
The meaning of the vector of parameters is of course defined by the user, who uses the values of thos...
Extension of the FCNBase for providing the analytical Gradient of the function.
Interface (abstract class) defining the function to be minimized, which has to be implemented by the ...
double Up() const
Error definition of the function.
double Up() const
Error definition of the function.
you should not use this method at all Int_t Int_t z
double operator()(const std::vector< double > &par) const
The meaning of the vector of parameters is of course defined by the user, who uses the values of thos...