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BFGSErrorUpdator.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_BFGSErrorUpdator
11#define ROOT_Minuit2_BFGSErrorUpdator
12
14
15namespace ROOT {
16
17 namespace Minuit2 {
18
19
20/**
21 Update of the covariance matrix for the Variable Metric minimizer (MIGRAD)
22 */
24
25public:
26
28
29 virtual ~BFGSErrorUpdator() {}
30
32 const FunctionGradient&) const;
33
34private:
35
36};
37
38 } // namespace Minuit2
39
40} // namespace ROOT
41
42#endif // ROOT_Minuit2_BFGSErrorUpdator
Update of the covariance matrix for the Variable Metric minimizer (MIGRAD)
virtual MinimumError Update(const MinimumState &, const MinimumParameters &, const FunctionGradient &) const
MinimumError keeps the inv.
Definition: MinimumError.h:26
MinimumState keeps the information (position, Gradient, 2nd deriv, etc) after one minimization step (...
Definition: MinimumState.h:29
VSD Structures.
Definition: StringConv.hxx:21