PLearn 0.1
Public Member Functions | Static Public Member Functions | Static Public Attributes | Static Protected Member Functions | Protected Attributes | Private Types
PLearn::CompactVMatrixPolynomialKernel Class Reference

#include <CompactVMatrixPolynomialKernel.h>

Inheritance diagram for PLearn::CompactVMatrixPolynomialKernel:
Inheritance graph
[legend]
Collaboration diagram for PLearn::CompactVMatrixPolynomialKernel:
Collaboration graph
[legend]

List of all members.

Public Member Functions

 CompactVMatrixPolynomialKernel ()
 CompactVMatrixPolynomialKernel (int degree, PP< CompactVMatrix > &vm, real the_beta=1.0)
virtual string classname () const
virtual OptionListgetOptionList () const
virtual OptionMapgetOptionMap () const
virtual RemoteMethodMapgetRemoteMethodMap () const
virtual
CompactVMatrixPolynomialKernel
deepCopy (CopiesMap &copies) const
virtual real evaluate (const Vec &x1, const Vec &x2) const
 ** Subclasses must override this method **

Static Public Member Functions

static string _classname_ ()
static OptionList_getOptionList_ ()
static RemoteMethodMap_getRemoteMethodMap_ ()
static Object_new_instance_for_typemap_ ()
static bool _isa_ (const Object *o)
static void _static_initialize_ ()
static const PPathdeclaringFile ()

Static Public Attributes

static StaticInitializer _static_initializer_

Static Protected Member Functions

static 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< CompactVMatrixm

Private Types

typedef Kernel inherited

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.


Member Typedef Documentation

Reimplemented from PLearn::Kernel.

Definition at line 61 of file CompactVMatrixPolynomialKernel.h.


Constructor & Destructor Documentation

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

Definition at line 68 of file CompactVMatrixPolynomialKernel.h.

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

Definition at line 70 of file CompactVMatrixPolynomialKernel.h.

        : n(degree), beta(the_beta), m(vm) {}

Member Function Documentation

string PLearn::CompactVMatrixPolynomialKernel::_classname_ ( ) [static]

Reimplemented from PLearn::Kernel.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

OptionList & PLearn::CompactVMatrixPolynomialKernel::_getOptionList_ ( ) [static]

Reimplemented from PLearn::Kernel.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

RemoteMethodMap & PLearn::CompactVMatrixPolynomialKernel::_getRemoteMethodMap_ ( ) [static]

Reimplemented from PLearn::Kernel.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

bool PLearn::CompactVMatrixPolynomialKernel::_isa_ ( const Object o) [static]

Reimplemented from PLearn::Kernel.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

Object * PLearn::CompactVMatrixPolynomialKernel::_new_instance_for_typemap_ ( ) [static]

Reimplemented from PLearn::Object.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

StaticInitializer CompactVMatrixPolynomialKernel::_static_initializer_ & PLearn::CompactVMatrixPolynomialKernel::_static_initialize_ ( ) [static]

Reimplemented from PLearn::Kernel.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

string PLearn::CompactVMatrixPolynomialKernel::classname ( ) const [virtual]

Reimplemented from PLearn::Object.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

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 beta, PLearn::OptionBase::buildoption, PLearn::declareOption(), m, and n.

Here is the call graph for this function:

static const PPath& PLearn::CompactVMatrixPolynomialKernel::declaringFile ( ) [inline, static]

Reimplemented from PLearn::Kernel.

Definition at line 73 of file CompactVMatrixPolynomialKernel.h.

:
CompactVMatrixPolynomialKernel * PLearn::CompactVMatrixPolynomialKernel::deepCopy ( CopiesMap copies) const [virtual]

Reimplemented from PLearn::Kernel.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

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

** Subclasses must override this method **

returns K(x1,x2)

Implements PLearn::Kernel.

Definition at line 49 of file CompactVMatrixPolynomialKernel.cc.

References PLearn::dot(), PLearn::dot_product(), PLearn::ipow(), m, and n.

{ // return ipow(beta*dot(x1,x2)+1.0, n);
    real dot_product=0;
    if (m)
        dot_product=m->dotProduct(int(x1[0]),int(x2[0]));
    else
        dot_product=dot(x1,x2);
    return ipow(beta*dot_product+1.0, n);
}

Here is the call graph for this function:

OptionList & PLearn::CompactVMatrixPolynomialKernel::getOptionList ( ) const [virtual]

Reimplemented from PLearn::Object.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

OptionMap & PLearn::CompactVMatrixPolynomialKernel::getOptionMap ( ) const [virtual]

Reimplemented from PLearn::Object.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.

RemoteMethodMap & PLearn::CompactVMatrixPolynomialKernel::getRemoteMethodMap ( ) const [virtual]

Reimplemented from PLearn::Object.

Definition at line 47 of file CompactVMatrixPolynomialKernel.cc.


Member Data Documentation

Reimplemented from PLearn::Kernel.

Definition at line 73 of file CompactVMatrixPolynomialKernel.h.

a normalization constant for numerical stability

Definition at line 65 of file CompactVMatrixPolynomialKernel.h.

Referenced by declareOptions().

Definition at line 66 of file CompactVMatrixPolynomialKernel.h.

Referenced by declareOptions().

degree of polynomial

Definition at line 64 of file CompactVMatrixPolynomialKernel.h.

Referenced by declareOptions().


The documentation for this class was generated from the following files:
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines