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 14 of file SingleGaussianState.h.

Member Typedef Documentation

Matrix

template<unsigned int N>

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

Definition at line 17 of file SingleGaussianState.h.

Vector

template<unsigned int N>

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

Definition at line 16 of file SingleGaussianState.h.

Constructor & Destructor Documentation

SingleGaussianState() [1/2]

template<unsigned int N>

SingleGaussianState< N >::SingleGaussianState ( )

inline

Definition at line 20 of file SingleGaussianState.h.

{}

SingleGaussianState() [2/2]

template<unsigned int N>

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

inline

Definition at line 22 of file SingleGaussianState.h.

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

Member Function Documentation

covariance()

template<unsigned int N>

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

inline

covariance matrix

Definition at line 30 of file SingleGaussianState.h.

References SingleGaussianState< N >::theCovariance.

Referenced by MultiGaussianStateTransform::tsosFromSingleState().

{ return theCovariance; }

dimension()

template<unsigned int N>

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

inline

size of parameter vector

Definition at line 34 of file SingleGaussianState.h.

References N.

{ return N; }

mean()

template<unsigned int N>

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

inline

parameter vector

Definition at line 28 of file SingleGaussianState.h.

References SingleGaussianState< N >::theMean.

Referenced by MultiGaussianStateTransform::tsosFromSingleState().

{ return theMean; }

rescaleWeight()

template<unsigned int N>

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

inline

change weight

Definition at line 36 of file SingleGaussianState.h.

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

{ theWeight *= scale; }

weight()

template<unsigned int N>

double SingleGaussianState< N >::weight ( ) const

inline

weight

Definition at line 26 of file SingleGaussianState.h.

References SingleGaussianState< N >::theWeight.

{ return theWeight; }

weightMatrix()

template<unsigned int N>

const Matrix& SingleGaussianState< N >::weightMatrix

(

)

const

weight matrix

Member Data Documentation

theCovariance

template<unsigned int N>

Matrix SingleGaussianState< N >::theCovariance

private

Definition at line 39 of file SingleGaussianState.h.

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

theHasWeightMatrix

template<unsigned int N>

bool SingleGaussianState< N >::theHasWeightMatrix = false

mutableprivate

Definition at line 44 of file SingleGaussianState.h.

theMean

template<unsigned int N>

Vector SingleGaussianState< N >::theMean

private

Definition at line 40 of file SingleGaussianState.h.

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

theWeight

template<unsigned int N>

double SingleGaussianState< N >::theWeight

private

Definition at line 41 of file SingleGaussianState.h.

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

theWeightMatrix

template<unsigned int N>

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

mutableprivate

Definition at line 43 of file SingleGaussianState.h.