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Reference Guide
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 (const MinimumError &e)
 
 ~MinimumError ()
 
double Dcovar () const
 
bool HesseFailed () const
 
MnAlgebraicSymMatrix Hessian () const
 
bool InvertFailed () const
 
const MnAlgebraicSymMatrixInvHessian () const
 
bool IsAccurate () const
 
bool IsAvailable () const
 
bool IsMadePosDef () const
 
bool IsPosDef () const
 
bool IsValid () const
 
MnAlgebraicSymMatrix Matrix () const
 
MinimumErroroperator= (const MinimumError &err)
 

Private Attributes

MnRefCountedPointer< BasicMinimumErrorfData
 

#include <Minuit2/MinimumError.h>

Constructor & Destructor Documentation

◆ MinimumError() [1/7]

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

Definition at line 37 of file MinimumError.h.

◆ MinimumError() [2/7]

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

Definition at line 39 of file MinimumError.h.

◆ MinimumError() [3/7]

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

Definition at line 41 of file MinimumError.h.

◆ MinimumError() [4/7]

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

Definition at line 43 of file MinimumError.h.

◆ MinimumError() [5/7]

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

Definition at line 45 of file MinimumError.h.

◆ MinimumError() [6/7]

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

Definition at line 47 of file MinimumError.h.

◆ ~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.

Member Function Documentation

◆ Dcovar()

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

Definition at line 64 of file MinimumError.h.

◆ HesseFailed()

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

Definition at line 69 of file MinimumError.h.

◆ Hessian()

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

Definition at line 62 of file MinimumError.h.

◆ InvertFailed()

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

Definition at line 70 of file MinimumError.h.

◆ InvHessian()

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

Definition at line 60 of file MinimumError.h.

◆ IsAccurate()

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

Definition at line 65 of file MinimumError.h.

◆ IsAvailable()

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

Definition at line 71 of file MinimumError.h.

◆ IsMadePosDef()

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

Definition at line 68 of file MinimumError.h.

◆ IsPosDef()

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

Definition at line 67 of file MinimumError.h.

◆ IsValid()

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

Definition at line 66 of file MinimumError.h.

◆ Matrix()

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

Definition at line 58 of file MinimumError.h.

◆ operator=()

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

Definition at line 53 of file MinimumError.h.

Member Data Documentation

◆ fData

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

Definition at line 75 of file MinimumError.h.

Libraries for ROOT::Minuit2::MinimumError:
[legend]

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