SingleGaussianState< N > Class Template Reference

#include <SingleGaussianState.h>

Public Types
using	Matrix = ROOT::Math::SMatrix< double, N, N, ROOT::Math::MatRepSym< double, N >>
using	Vector = ROOT::Math::SVector< double, N >

Public Member Functions
const Matrix &	covariance () const
	covariance matrix More...
unsigned int	dimension () const
	size of parameter vector More...
const Vector &	mean () const
	parameter vector More...
void	rescaleWeight (double scale)
	change weight More...
	SingleGaussianState ()
	SingleGaussianState (const Vector &aMean, const Matrix &aCovariance, double aWeight=1.)
double	weight () const
	weight More...
const Matrix &	weightMatrix () const
	weight matrix More...

Private Attributes
Matrix	theCovariance
bool	theHasWeightMatrix = false
Vector	theMean
double	theWeight
Matrix	theWeightMatrix = ROOT::Math::SMatrixNoInit()

Detailed Description

template<unsigned int N>
class SingleGaussianState< N >

Multi-dimensional (single) Gaussian state. Used for the description of Gaussian mixtures.

Definition at line 13 of file SingleGaussianState.h.

Member Typedef Documentation

template<unsigned int N>

using SingleGaussianState< N >::Matrix = ROOT::Math::SMatrix<double,N,N,ROOT::Math::MatRepSym<double,N>>

Definition at line 16 of file SingleGaussianState.h.

template<unsigned int N>

using SingleGaussianState< N >::Vector = ROOT::Math::SVector<double, N>

Definition at line 15 of file SingleGaussianState.h.

Constructor & Destructor Documentation

template<unsigned int N>

SingleGaussianState< N >::SingleGaussianState ( )

inline

Definition at line 19 of file SingleGaussianState.h.

{}

template<unsigned int N>

SingleGaussianState< N >::SingleGaussianState ( const Vector &  aMean, const Matrix &  aCovariance, double  aWeight = 1.  )

inline

Definition at line 21 of file SingleGaussianState.h.

                                   : 
    theCovariance(aCovariance), theMean(aMean), theWeight(aWeight) {}  

Member Function Documentation

template<unsigned int N>

const Matrix& SingleGaussianState< N >::covariance ( void  ) const

inline

covariance matrix

Definition at line 31 of file SingleGaussianState.h.

References SingleGaussianState< N >::theCovariance, and SingleGaussianState< N >::weightMatrix().

Referenced by MultiGaussianStateTransform::tsosFromSingleState().

{return theCovariance;}

template<unsigned int N>

unsigned int SingleGaussianState< N >::dimension ( ) const

inline

size of parameter vector

Definition at line 35 of file SingleGaussianState.h.

References N.

{return N;}

template<unsigned int N>

const Vector& SingleGaussianState< N >::mean ( ) const

inline

parameter vector

Definition at line 29 of file SingleGaussianState.h.

References SingleGaussianState< N >::theMean.

Referenced by MultiGaussianStateTransform::tsosFromSingleState().

{return theMean;}

template<unsigned int N>

void SingleGaussianState< N >::rescaleWeight ( double  scale )

inline

change weight

Definition at line 37 of file SingleGaussianState.h.

References Scenarios_cff::scale, and SingleGaussianState< N >::theWeight.

{theWeight *= scale;}

template<unsigned int N>

double SingleGaussianState< N >::weight ( void  ) const

inline

weight

Definition at line 27 of file SingleGaussianState.h.

References SingleGaussianState< N >::theWeight.

{return theWeight;}

template<unsigned int N>

const Matrix& SingleGaussianState< N >::weightMatrix

(

)

const

weight matrix

Referenced by SingleGaussianState< N >::covariance().

Member Data Documentation

template<unsigned int N>

Matrix SingleGaussianState< N >::theCovariance

private

Definition at line 40 of file SingleGaussianState.h.

Referenced by SingleGaussianState< N >::covariance().

template<unsigned int N>

bool SingleGaussianState< N >::theHasWeightMatrix = false

mutableprivate

Definition at line 45 of file SingleGaussianState.h.

template<unsigned int N>

Vector SingleGaussianState< N >::theMean

private

Definition at line 41 of file SingleGaussianState.h.

Referenced by SingleGaussianState< N >::mean().

template<unsigned int N>

double SingleGaussianState< N >::theWeight

private

Definition at line 42 of file SingleGaussianState.h.

Referenced by SingleGaussianState< N >::rescaleWeight(), and SingleGaussianState< N >::weight().

template<unsigned int N>

Matrix SingleGaussianState< N >::theWeightMatrix = ROOT::Math::SMatrixNoInit()

mutableprivate

Definition at line 44 of file SingleGaussianState.h.