PLearn::CompactVMatrixPolynomialKernel Class Reference

#include <CompactVMatrixPolynomialKernel.h>

Inheritance diagram for PLearn::CompactVMatrixPolynomialKernel:

[legend]Collaboration diagram for PLearn::CompactVMatrixPolynomialKernel:

[legend]List of all members.

Public Member Functions
	CompactVMatrixPolynomialKernel ()
	CompactVMatrixPolynomialKernel (int degree, PP< CompactVMatrix > &vm, real the_beta=1.0)
	PLEARN_DECLARE_OBJECT (CompactVMatrixPolynomialKernel)
virtual real	evaluate (const Vec &x1, const Vec &x2) const
	returns K(x1,x2)
Static Protected Member Functions
void	declareOptions (OptionList &ol)
	recognized options are "n", "beta" and "m"
Protected Attributes
int	n
	degree of polynomial
real	beta
	a normalization constant for numerical stability
PP< CompactVMatrix >	m
Private Types
typedef Kernel	inherited

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Detailed Description

behaves like PolynomialKernel except that the x1 and x2 vectors actually only contain INDICES of the rows of a CompactVMatrix, and the square difference is performed efficiently, taking advantage of the discrete nature of many fields.

Definition at line 59 of file CompactVMatrixPolynomialKernel.h.

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Member Typedef Documentation

typedef Kernel PLearn::CompactVMatrixPolynomialKernel::inherited [private]

Reimplemented from PLearn::Kernel. Definition at line 61 of file CompactVMatrixPolynomialKernel.h.

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Constructor & Destructor Documentation

PLearn::CompactVMatrixPolynomialKernel::CompactVMatrixPolynomialKernel (   )  [inline]

Definition at line 68 of file CompactVMatrixPolynomialKernel.h. References beta, and n.

PLearn::CompactVMatrixPolynomialKernel::CompactVMatrixPolynomialKernel (  int  degree, PP< CompactVMatrix > &  vm, real  the_beta = 1.0 )  [inline]

Definition at line 70 of file CompactVMatrixPolynomialKernel.h. References beta, m, and n.

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Member Function Documentation

void PLearn::CompactVMatrixPolynomialKernel::declareOptions (  OptionList &  ol  )  [static, protected]

recognized options are "n", "beta" and "m" Reimplemented from PLearn::Kernel. Definition at line 59 of file CompactVMatrixPolynomialKernel.cc. References PLearn::declareOption(), and PLearn::OptionList.

real PLearn::CompactVMatrixPolynomialKernel::evaluate (  const Vec &  x1, const Vec &  x2 )  const [virtual]

returns K(x1,x2) Implements PLearn::Kernel. Definition at line 49 of file CompactVMatrixPolynomialKernel.cc. References beta, PLearn::dot(), PLearn::dot_product(), PLearn::ipow(), m, n, and PLearn::Vec.

PLearn::CompactVMatrixPolynomialKernel::PLEARN_DECLARE_OBJECT (  CompactVMatrixPolynomialKernel   )

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Member Data Documentation

real PLearn::CompactVMatrixPolynomialKernel::beta [protected]

a normalization constant for numerical stability Definition at line 65 of file CompactVMatrixPolynomialKernel.h. Referenced by CompactVMatrixPolynomialKernel(), and evaluate().

PP<CompactVMatrix> PLearn::CompactVMatrixPolynomialKernel::m [protected]

Definition at line 66 of file CompactVMatrixPolynomialKernel.h. Referenced by CompactVMatrixPolynomialKernel(), and evaluate().

int PLearn::CompactVMatrixPolynomialKernel::n [protected]

degree of polynomial Definition at line 64 of file CompactVMatrixPolynomialKernel.h. Referenced by CompactVMatrixPolynomialKernel(), and evaluate().

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

• CompactVMatrixPolynomialKernel.h
• CompactVMatrixPolynomialKernel.cc

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