KernelMatrix Class Reference

Kernel Gram matrix. More...

#include <QuadraticProgram.h>

Inheritance diagram for KernelMatrix:

QPMatrix RegularizedKernelMatrix

List of all members.

Public Member Functions

 KernelMatrix (KernelFunction *kernelfunction, const Array< double > &data)
 Constructor.
 ~KernelMatrix ()
 Destructor.
float Entry (unsigned int i, unsigned int j)
 overriden virtual function, see QPMatrix
void FlipColumnsAndRows (unsigned int i, unsigned int j)
 overriden virtual function, see QPMatrix

Protected Attributes

KernelFunction * kernel
 Kernel function defining the kernel Gram matrix.
Array< ArrayReference< double > * > x
 Array of data vectors for kernel evaluations.

Detailed Description

Kernel Gram matrix.

The KernelMatrix is the most prominent subclass of QPMatrix providing the Gram matrix of a fixed data set with respect to a kernel function inner product.

Definition at line 135 of file QuadraticProgram.h.

Constructor & Destructor Documentation

KernelMatrix::KernelMatrix ( KernelFunction *  kernelfunction,
const Array< double > &  data 
)

Constructor.

Parameters:
kernelfunction kernel function defining the Gram matrix
data data to evaluate the kernel function

Definition at line 87 of file QuadraticProgram.cpp.

References i, QPMatrix::matrixsize, and x.

KernelMatrix::~KernelMatrix (  ) 

Destructor.

Definition at line 100 of file QuadraticProgram.cpp.

References i, QPMatrix::matrixsize, and x.

Member Function Documentation

float KernelMatrix::Entry ( unsigned int  i,
unsigned int  j 
) [virtual]

overriden virtual function, see QPMatrix

Implements QPMatrix.

Reimplemented in RegularizedKernelMatrix.

Definition at line 110 of file QuadraticProgram.cpp.

References KernelFunction::eval(), kernel, and x.

Referenced by RegularizedKernelMatrix::Entry().

void KernelMatrix::FlipColumnsAndRows ( unsigned int  i,
unsigned int  j 
) [virtual]

overriden virtual function, see QPMatrix

Implements QPMatrix.

Reimplemented in RegularizedKernelMatrix.

Definition at line 115 of file QuadraticProgram.cpp.

References x, and XCHG_A.

Member Data Documentation

KernelFunction* KernelMatrix::kernel [protected]

Kernel function defining the kernel Gram matrix.

Definition at line 155 of file QuadraticProgram.h.

Referenced by Entry().

Array<ArrayReference<double>* > KernelMatrix::x [protected]

Array of data vectors for kernel evaluations.

Definition at line 158 of file QuadraticProgram.h.

Referenced by Entry(), FlipColumnsAndRows(), KernelMatrix(), and ~KernelMatrix().

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