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DavidonErrorUpdator.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_DavidonErrorUpdator
11 #define ROOT_Minuit2_DavidonErrorUpdator
12 
14 
15 namespace ROOT {
16 
17  namespace Minuit2 {
18 
19 
20 /**
21  Update of the covariance matrix for the Variable Metric minimizer (MIGRAD)
22  */
23 class DavidonErrorUpdator : public MinimumErrorUpdator {
24 
25 public:
26 
28 
29  virtual ~DavidonErrorUpdator() {}
30 
32  const FunctionGradient&) const;
33 
34 private:
35 
36 };
37 
38  } // namespace Minuit2
39 
40 } // namespace ROOT
41 
42 #endif // ROOT_Minuit2_DavidonErrorUpdator
ROOT::Minuit2::DavidonErrorUpdator::Update
virtual MinimumError Update(const MinimumState &, const MinimumParameters &, const FunctionGradient &) const
Definition: DavidonErrorUpdator.cxx:40
ROOT::Minuit2::MinimumState
MinimumState keeps the information (position, Gradient, 2nd deriv, etc) after one minimization step (...
Definition: MinimumState.h:37
ROOT::Minuit2::DavidonErrorUpdator::~DavidonErrorUpdator
virtual ~DavidonErrorUpdator()
Definition: DavidonErrorUpdator.h:41
MinimumErrorUpdator.h
ROOT::Minuit2::FunctionGradient
Definition: FunctionGradient.h:29
ROOT::Minuit2::MinimumParameters
Definition: MinimumParameters.h:29
ROOT::Minuit2::MinimumError
MinimumError keeps the inv.
Definition: MinimumError.h:34
ROOT::Minuit2::DavidonErrorUpdator::DavidonErrorUpdator
DavidonErrorUpdator()
Definition: DavidonErrorUpdator.h:39
ROOT
VSD Structures.
Definition: StringConv.hxx:21