cross_entropy< Backend::EIGEN3, Matrix > Struct Template Reference

Detailed Description

template<class Matrix>
struct shogun::linalg::implementation::special_purpose::cross_entropy< Backend::EIGEN3, Matrix >

Specialization of cross_entropy for the Eigen3 backend

Definition at line 427 of file implementation/SpecialPurpose.h.

Public Types
typedef Matrix::Scalar	T
typedef Eigen::Matrix< T, Eigen::Dynamic, Eigen::Dynamic >	MatrixXt

Static Public Member Functions
static T	compute (SGMatrix< T > P, SGMatrix< T > Q)

Member Typedef Documentation

typedef Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> MatrixXt

Eigen matrix type

Definition at line 433 of file implementation/SpecialPurpose.h.

typedef Matrix::Scalar T

Scalar type

Definition at line 430 of file implementation/SpecialPurpose.h.

Member Function Documentation

static T compute ( SGMatrix< T >  P, SGMatrix< T >  Q  )

static

Returns the cross entropy between P and Q. The cross entropy is defined as \( H(P,Q) = - \sum_{ij} P[i,j]log(Q[i,j]) \)

Definition at line 438 of file implementation/SpecialPurpose.h.

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

• implementation/SpecialPurpose.h