Logo ROOT  
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 34 of file MinimumError.h.

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 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 49 of file MinimumError.h.

◆ MinimumError() [2/7]

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

Definition at line 51 of file MinimumError.h.

◆ MinimumError() [3/7]

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

Definition at line 53 of file MinimumError.h.

◆ MinimumError() [4/7]

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

Definition at line 55 of file MinimumError.h.

◆ MinimumError() [5/7]

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

Definition at line 57 of file MinimumError.h.

◆ MinimumError() [6/7]

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

Definition at line 59 of file MinimumError.h.

◆ ~MinimumError()

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

Definition at line 61 of file MinimumError.h.

◆ MinimumError() [7/7]

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

Definition at line 63 of file MinimumError.h.

Member Function Documentation

◆ Dcovar()

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

Definition at line 76 of file MinimumError.h.

◆ HesseFailed()

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

Definition at line 81 of file MinimumError.h.

◆ Hessian()

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

Definition at line 74 of file MinimumError.h.

◆ InvertFailed()

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

Definition at line 82 of file MinimumError.h.

◆ InvHessian()

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

Definition at line 72 of file MinimumError.h.

◆ IsAccurate()

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

Definition at line 77 of file MinimumError.h.

◆ IsAvailable()

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

Definition at line 83 of file MinimumError.h.

◆ IsMadePosDef()

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

Definition at line 80 of file MinimumError.h.

◆ IsPosDef()

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

Definition at line 79 of file MinimumError.h.

◆ IsValid()

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

Definition at line 78 of file MinimumError.h.

◆ Matrix()

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

Definition at line 70 of file MinimumError.h.

◆ operator=()

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

Definition at line 65 of file MinimumError.h.

Member Data Documentation

◆ fData

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

Definition at line 87 of file MinimumError.h.

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

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