class TMVA::SimulatedAnnealing


Implementation of Simulated Annealing fitter

Function Members (Methods)

public:

virtual	~SimulatedAnnealing()
static TClass*	Class()
virtual TClass*	IsA() const
Double_t	Minimize(vector<Double_t>& parameters)
void	SetAccuracy(Double_t eps)
void	SetInitTemp(Double_t it)
void	SetMaxCalls(Int_t mc)
void	SetMinTemp(Double_t min)
void	SetNEps(Int_t neps)
void	SetNumFunLoops(Int_t num)
void	SetTempGrad(Double_t dt)
void	SetUseAdaptTemp(Bool_t yesno)
virtual void	ShowMembers(TMemberInspector& insp, char* parent)
TMVA::SimulatedAnnealing	SimulatedAnnealing(TMVA::IFitterTarget& target, const vector<TMVA::Interval,allocator<TMVA::Interval> >& ranges)
virtual void	Streamer(TBuffer& b)
void	StreamerNVirtual(TBuffer& b)

private:

Double_t

GetPerturbationProbability(Double_t energy, Double_t energyRef, Double_t temperature)

Data Members

private:

Double_t	fEps	epsilon
TMVA::IFitterTarget&	fFitterTarget	the fitter target
Double_t	fInitialTemperature	initial temperature
TMVA::MsgLogger	fLogger	message logger
Int_t	fMaxCalls	maximum number of minimisation calls
Double_t	fMinTemperature	mimimum temperature
Int_t	fNEps	number of epsilons
Int_t	fNFunLoops	number of function loops
TRandom*	fRandom	random generator
const vector<TMVA::Interval,allocator<TMVA::Interval> >&	fRanges	parameter ranges
Double_t	fTemperatureGradient	temperature gradient
Bool_t	fUseAdaptiveTemperature	use adaptive termperature

Class Charts

Inheritance Inherited Members Includes Libraries

Function documentation

SimulatedAnnealing(TMVA::IFitterTarget& target, const vector<TMVA::Interval*,allocator<TMVA::Interval*> >& ranges)

 constructor

~SimulatedAnnealing()

 destructor

Double_t Minimize(vector<Double_t>& parameters)

 minimisation

Double_t GetPerturbationProbability(Double_t energy, Double_t energyRef, Double_t temperature)

 calculates the probability that a perturbation occured

void SetMaxCalls(Int_t mc)

 accessors

{ fMaxCalls = mc; }

void SetTempGrad(Double_t dt)

{ fTemperatureGradient = dt; }

void SetUseAdaptTemp(Bool_t yesno)

{ fUseAdaptiveTemperature = yesno; }

void SetInitTemp(Double_t it)

{ fInitialTemperature = it; }

void SetMinTemp(Double_t min)

{ fMinTemperature = min; }

void SetNumFunLoops(Int_t num)

{ fNFunLoops = num; }

void SetAccuracy(Double_t eps)

{ fEps = eps; }

void SetNEps(Int_t neps)

{ fNEps = neps; }

Author: Andreas Hoecker, Joerg Stelzer, Helge Voss
Last update: root/tmva $Id: SimulatedAnnealing.cxx,v 1.2 2007/06/20 09:41:24 brun Exp $
Copyright (c) 2006: *

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