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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
17namespace Minuit2 {
18
19/**
20 Update of the covariance matrix for the Variable Metric minimizer (MIGRAD)
21 */
23
24public:
26
27 ~BFGSErrorUpdator() override {}
28
29 MinimumError Update(const MinimumState &, const MinimumParameters &, const FunctionGradient &) const override;
30
31private:
32};
33
34} // namespace Minuit2
35
36} // namespace ROOT
37
38#endif // ROOT_Minuit2_BFGSErrorUpdator
Update of the covariance matrix for the Variable Metric minimizer (MIGRAD)
MinimumError Update(const MinimumState &, const MinimumParameters &, const FunctionGradient &) const override
MinimumError keeps the inv.
Definition: MinimumError.h:28
MinimumState keeps the information (position, Gradient, 2nd deriv, etc) after one minimization step (...
Definition: MinimumState.h:27
This file contains a specialised ROOT message handler to test for diagnostic in unit tests.