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Reference Guide
FumiliGradientCalculator.h
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1// @(#)root/minuit2:$Id$
2// Authors: M. Winkler, F. James, L. Moneta, A. Zsenei 2003-2005
3
4/**********************************************************************
5 * *
6 * Copyright (c) 2005 LCG ROOT Math team, CERN/PH-SFT *
7 * *
8 **********************************************************************/
9
10#ifndef ROOT_Minuit2_FumiliGradientCalculator
11#define ROOT_Minuit2_FumiliGradientCalculator
12
14#include "Minuit2/MnMatrix.h"
15
16namespace ROOT {
17
18 namespace Minuit2 {
19
20
21
22class FumiliFCNBase;
23class MnUserTransformation;
24
26
27public:
28
30 fFcn(fcn),
31 fTransformation(state),
33 {}
34
36
38
40 const FunctionGradient&) const;
41
43
44 const MnAlgebraicSymMatrix & Hessian() const { return fHessian; }
45
46private:
47
51
52};
53
54 } // namespace Minuit2
55
56} // namespace ROOT
57
58#endif // ROOT_Minuit2_FumiliGradientCalculator
Extension of the FCNBase for the Fumili method.
Definition: FumiliFCNBase.h:47
FumiliGradientCalculator(const FumiliFCNBase &fcn, const MnUserTransformation &state, int n)
FunctionGradient operator()(const MinimumParameters &) const
const MnAlgebraicSymMatrix & Hessian() const
const MnUserTransformation & Trafo() const
interface class for gradient calculators
Class describing a symmetric matrix of size n.
Definition: LASymMatrix.h:51
class dealing with the transformation between user specified parameters (external) and internal param...
const Int_t n
Definition: legend1.C:16
VSD Structures.
Definition: StringConv.hxx:21