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.

Public Types
using	MnHesseFailed = BasicMinimumError::MnHesseFailed
using	MnInvertFailed = BasicMinimumError::MnInvertFailed
using	MnMadePosDef = BasicMinimumError::MnMadePosDef
using	MnNotPosDef = BasicMinimumError::MnNotPosDef

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

Private Attributes
std::shared_ptr< BasicMinimumError >	fData

#include <Minuit2/MinimumError.h>

Member Typedef Documentation

MnHesseFailed

using ROOT::Minuit2::MinimumError::MnHesseFailed = BasicMinimumError::MnHesseFailed

Definition at line 29 of file MinimumError.h.

MnInvertFailed

using ROOT::Minuit2::MinimumError::MnInvertFailed = BasicMinimumError::MnInvertFailed

Definition at line 30 of file MinimumError.h.

MnMadePosDef

using ROOT::Minuit2::MinimumError::MnMadePosDef = BasicMinimumError::MnMadePosDef

Definition at line 31 of file MinimumError.h.

MnNotPosDef

using ROOT::Minuit2::MinimumError::MnNotPosDef = BasicMinimumError::MnNotPosDef

Definition at line 32 of file MinimumError.h.

Constructor & Destructor Documentation

MinimumError() [1/6]

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

inline

Definition at line 35 of file MinimumError.h.

MinimumError() [2/6]

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

inline

Definition at line 37 of file MinimumError.h.

MinimumError() [3/6]

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

inline

Definition at line 39 of file MinimumError.h.

MinimumError() [4/6]

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

inline

Definition at line 44 of file MinimumError.h.

MinimumError() [5/6]

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

inline

Definition at line 49 of file MinimumError.h.

MinimumError() [6/6]

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

inline

Definition at line 54 of file MinimumError.h.

Member Function Documentation

Dcovar()

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

inline

Definition at line 65 of file MinimumError.h.

HesseFailed()

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

inline

Definition at line 70 of file MinimumError.h.

Hessian()

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

inline

Definition at line 63 of file MinimumError.h.

InvertFailed()

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

inline

Definition at line 71 of file MinimumError.h.

InvHessian()

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

inline

Definition at line 61 of file MinimumError.h.

IsAccurate()

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

inline

Definition at line 66 of file MinimumError.h.

IsAvailable()

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

inline

Definition at line 72 of file MinimumError.h.

IsMadePosDef()

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

inline

Definition at line 69 of file MinimumError.h.

IsPosDef()

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

inline

Definition at line 68 of file MinimumError.h.

IsValid()

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

inline

Definition at line 67 of file MinimumError.h.

Matrix()

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

inline

Definition at line 59 of file MinimumError.h.

Member Data Documentation

fData

std::shared_ptr<BasicMinimumError> ROOT::Minuit2::MinimumError::fData

private

Definition at line 75 of file MinimumError.h.

Libraries 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