ROOT::Minuit2::MinimumError Class Reference

MinimumError keeps the inv.

2nd derivative (inv. Hessian) used for calculating the Parameter step size (-V*g) and for the covariance Update (ErrorUpdator). The covariance matrix is equal to twice the inv. Hessian.

Definition at line 26 of file MinimumError.h.

Classes
class	MnHesseFailed
class	MnInvertFailed
class	MnMadePosDef
class	MnNotPosDef

Public Member Functions
	MinimumError (unsigned int n)
	MinimumError (const MnAlgebraicSymMatrix &mat, double dcov)
	MinimumError (const MnAlgebraicSymMatrix &mat, MnHesseFailed)
	MinimumError (const MnAlgebraicSymMatrix &mat, MnMadePosDef)
	MinimumError (const MnAlgebraicSymMatrix &mat, MnInvertFailed)
	MinimumError (const MnAlgebraicSymMatrix &mat, MnNotPosDef)
	~MinimumError ()
	MinimumError (const MinimumError &e)
MinimumError &	operator= (const MinimumError &err)
MnAlgebraicSymMatrix	Matrix () const
const MnAlgebraicSymMatrix &	InvHessian () const
MnAlgebraicSymMatrix	Hessian () const
double	Dcovar () const
bool	IsAccurate () const
bool	IsValid () const
bool	IsPosDef () const
bool	IsMadePosDef () const
bool	HesseFailed () const
bool	InvertFailed () const
bool	IsAvailable () const

Private Attributes
MnRefCountedPointer < BasicMinimumError >	fData

#include <Minuit2/MinimumError.h>

Constructor & Destructor Documentation

ROOT::Minuit2::MinimumError::MinimumError ( unsigned int  n )

inline

Definition at line 37 of file MinimumError.h.

ROOT::Minuit2::MinimumError::MinimumError ( const MnAlgebraicSymMatrix &  mat, double  dcov  )

inline

Definition at line 39 of file MinimumError.h.

ROOT::Minuit2::MinimumError::MinimumError ( const MnAlgebraicSymMatrix &  mat, MnHesseFailed    )

inline

Definition at line 41 of file MinimumError.h.

ROOT::Minuit2::MinimumError::MinimumError ( const MnAlgebraicSymMatrix &  mat, MnMadePosDef    )

inline

Definition at line 43 of file MinimumError.h.

ROOT::Minuit2::MinimumError::MinimumError ( const MnAlgebraicSymMatrix &  mat, MnInvertFailed    )

inline

Definition at line 45 of file MinimumError.h.

ROOT::Minuit2::MinimumError::MinimumError ( const MnAlgebraicSymMatrix &  mat, MnNotPosDef    )

inline

Definition at line 47 of file MinimumError.h.

ROOT::Minuit2::MinimumError::~MinimumError ( )

inline

Definition at line 49 of file MinimumError.h.

ROOT::Minuit2::MinimumError::MinimumError ( const MinimumError &  e )

inline

Definition at line 51 of file MinimumError.h.

Member Function Documentation

double ROOT::Minuit2::MinimumError::Dcovar ( ) const

inline

Definition at line 64 of file MinimumError.h.

Referenced by ROOT::Minuit2::Minuit2Minimizer::ExamineMinimum(), ROOT::Minuit2::Minuit2Minimizer::Minimize(), ROOT::Minuit2::VariableMetricBuilder::Minimum(), ROOT::Minuit2::FumiliBuilder::Minimum(), ROOT::Minuit2::MnPosDef::operator()(), ROOT::Minuit2::MnCovarianceSqueeze::operator()(), ROOT::Minuit2::MnApplication::operator()(), ROOT::Minuit2::DavidonErrorUpdator::Update(), and ROOT::Minuit2::FumiliErrorUpdator::Update().

bool ROOT::Minuit2::MinimumError::HesseFailed ( ) const

inline

Definition at line 69 of file MinimumError.h.

Referenced by ROOT::Minuit2::Minuit2Minimizer::Hesse(), and ROOT::Minuit2::BasicFunctionMinimum::HesseFailed().

MnAlgebraicSymMatrix ROOT::Minuit2::MinimumError::Hessian ( ) const

inline

Definition at line 62 of file MinimumError.h.

Referenced by ROOT::Minuit2::VariableMetricBuilder::Minimum(), ROOT::Minuit2::FumiliBuilder::Minimum(), and ROOT::Minuit2::MnCovarianceSqueeze::operator()().

bool ROOT::Minuit2::MinimumError::InvertFailed ( ) const

inline

Definition at line 70 of file MinimumError.h.

Referenced by ROOT::Minuit2::Minuit2Minimizer::Hesse().

const MnAlgebraicSymMatrix& ROOT::Minuit2::MinimumError::InvHessian ( ) const

inline

Definition at line 60 of file MinimumError.h.

Referenced by ROOT::Minuit2::VariableMetricEDMEstimator::Estimate(), ROOT::Minuit2::ScanBuilder::Minimum(), ROOT::Minuit2::VariableMetricBuilder::Minimum(), ROOT::Minuit2::FumiliBuilder::Minimum(), ROOT::Minuit2::MnUserParameterState::MnUserParameterState(), ROOT::Minuit2::MnPosDef::operator()(), ROOT::Minuit2::MnHesse::operator()(), ROOT::Minuit2::DavidonErrorUpdator::Update(), and ROOT::Minuit2::FumiliErrorUpdator::Update().

bool ROOT::Minuit2::MinimumError::IsAccurate ( ) const

inline

Definition at line 65 of file MinimumError.h.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HasAccurateCovar(), and ROOT::Minuit2::MnUserParameterState::MnUserParameterState().

bool ROOT::Minuit2::MinimumError::IsAvailable ( ) const

inline

Definition at line 71 of file MinimumError.h.

Referenced by ROOT::Minuit2::BasicMinimumState::HasCovariance(), ROOT::Minuit2::BasicFunctionMinimum::HasCovariance(), and ROOT::Minuit2::MnUserParameterState::MnUserParameterState().

bool ROOT::Minuit2::MinimumError::IsMadePosDef ( ) const

inline

Definition at line 68 of file MinimumError.h.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HasMadePosDefCovar(), ROOT::Minuit2::MnUserParameterState::MnUserParameterState(), and ROOT::Minuit2::MnHesse::operator()().

bool ROOT::Minuit2::MinimumError::IsPosDef ( ) const

inline

Definition at line 67 of file MinimumError.h.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HasPosDefCovar(), and ROOT::Minuit2::Minuit2Minimizer::Hesse().

bool ROOT::Minuit2::MinimumError::IsValid ( ) const

inline

Definition at line 66 of file MinimumError.h.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HasValidCovariance(), ROOT::Minuit2::BasicMinimumState::IsValid(), and ROOT::Minuit2::MnUserParameterState::MnUserParameterState().

MnAlgebraicSymMatrix ROOT::Minuit2::MinimumError::Matrix ( ) const

inline

Definition at line 58 of file MinimumError.h.

Referenced by ROOT::Minuit2::MnMinos::FindCrossValue(), ROOT::Minuit2::VariableMetricBuilder::Minimum(), ROOT::Minuit2::FumiliBuilder::Minimum(), and ROOT::Minuit2::operator<<().

MinimumError& ROOT::Minuit2::MinimumError::operator= ( const MinimumError &  err )

inline

Definition at line 53 of file MinimumError.h.

Member Data Documentation

MnRefCountedPointer<BasicMinimumError> ROOT::Minuit2::MinimumError::fData

private

Definition at line 75 of file MinimumError.h.

Referenced by Dcovar(), HesseFailed(), Hessian(), InvertFailed(), InvHessian(), IsAccurate(), IsAvailable(), IsMadePosDef(), IsPosDef(), IsValid(), Matrix(), and operator=().

Collaboration diagram for ROOT::Minuit2::MinimumError:

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The documentation for this class was generated from the following file:

• math/minuit2/inc/Minuit2/MinimumError.h