ROOT::Minuit2::MinimumError Class Reference

Description

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.

Collaboration diagram for ROOT::Minuit2::MinimumError:

Classes
class	MnHesseFailed
class	MnInvertFailed
class	MnMadePosDef
class	MnNotPosDef

Public Member Functions
	MinimumError (const MinimumError &e)
	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)
	~MinimumError ()
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
MinimumError &	operator= (const MinimumError &err)

Private Attributes
MnRefCountedPointer< BasicMinimumError >	fData

Constructor & Destructor Documentation

MinimumError() [1/7]

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

inline

Definition at line 37 of file MinimumError.h.

: fData(MnRefCountedPointer<BasicMinimumError>(new BasicMinimumError(n))) {}

MinimumError() [2/7]

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

inline

Definition at line 39 of file MinimumError.h.

: fData(MnRefCountedPointer<BasicMinimumError>(new BasicMinimumError(mat, dcov))) {}

MinimumError() [3/7]

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

inline

Definition at line 41 of file MinimumError.h.

: fData(MnRefCountedPointer<BasicMinimumError>(new BasicMinimumError(mat, BasicMinimumError::MnHesseFailed()))) {}

MinimumError() [4/7]

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

inline

Definition at line 43 of file MinimumError.h.

: fData(MnRefCountedPointer<BasicMinimumError>(new BasicMinimumError(mat, BasicMinimumError::MnMadePosDef()))) {}

MinimumError() [5/7]

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

inline

Definition at line 45 of file MinimumError.h.

: fData(MnRefCountedPointer<BasicMinimumError>(new BasicMinimumError(mat, BasicMinimumError::MnInvertFailed()))) {}

MinimumError() [6/7]

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

inline

Definition at line 47 of file MinimumError.h.

: fData(MnRefCountedPointer<BasicMinimumError>(new BasicMinimumError(mat, BasicMinimumError::MnNotPosDef()))) {}

~MinimumError()

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

inline

Definition at line 49 of file MinimumError.h.

{}

MinimumError() [7/7]

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

inline

Definition at line 51 of file MinimumError.h.

: fData(e.fData) {}

Member Function Documentation

Dcovar()

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

inline

Definition at line 64 of file MinimumError.h.

{return fData->Dcovar();}

References fData.

HesseFailed()

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

inline

Definition at line 69 of file MinimumError.h.

{return fData->HesseFailed();}

References fData.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HesseFailed().

Hessian()

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

inline

Definition at line 62 of file MinimumError.h.

{return fData->Hessian();}

References fData.

InvertFailed()

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

inline

Definition at line 70 of file MinimumError.h.

{return fData->InvertFailed();}

References fData.

InvHessian()

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

inline

Definition at line 60 of file MinimumError.h.

{return fData->InvHessian();}

References fData.

IsAccurate()

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

inline

Definition at line 65 of file MinimumError.h.

{return fData->IsAccurate();}

References fData.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HasAccurateCovar().

IsAvailable()

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

inline

Definition at line 71 of file MinimumError.h.

{return fData->IsAvailable();}

References fData.

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

IsMadePosDef()

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

inline

Definition at line 68 of file MinimumError.h.

{return fData->IsMadePosDef();}

References fData.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HasMadePosDefCovar().

IsPosDef()

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

inline

Definition at line 67 of file MinimumError.h.

{return fData->IsPosDef();}

References fData.

Referenced by ROOT::Minuit2::BasicFunctionMinimum::HasPosDefCovar().

IsValid()

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

inline

Definition at line 66 of file MinimumError.h.

{return fData->IsValid();}

References fData.

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

Matrix()

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

inline

Definition at line 58 of file MinimumError.h.

{return fData->Matrix();}

References fData.

operator=()

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

inline

Definition at line 53 of file MinimumError.h.

                                                   {
    fData = err.fData;
    return *this;
  }

References fData.

Member Data Documentation

fData

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=().

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/3rdparty/RootMinimizers/Minuit2/MinimumError.h