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

returns exp(-phi*(sum_i[abs(x1_i^a - x2_i^a)^b])^c) More...

#include <GeneralizedDistanceRBFKernel.h>

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List of all members.

Public Member Functions

 GeneralizedDistanceRBFKernel ()
 GeneralizedDistanceRBFKernel (real the_phi, real the_a, real the_b, real the_c)
virtual string classname () const
virtual OptionListgetOptionList () const
virtual OptionMapgetOptionMap () const
virtual RemoteMethodMapgetRemoteMethodMap () const
virtual
GeneralizedDistanceRBFKernel
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 "phi", "a", "b" and "c"

Protected Attributes

real phi
real a
real b
real c

Private Types

typedef Kernel inherited

Detailed Description

returns exp(-phi*(sum_i[abs(x1_i^a - x2_i^a)^b])^c)

Definition at line 55 of file GeneralizedDistanceRBFKernel.h.


Member Typedef Documentation

Reimplemented from PLearn::Kernel.

Definition at line 57 of file GeneralizedDistanceRBFKernel.h.


Constructor & Destructor Documentation

PLearn::GeneralizedDistanceRBFKernel::GeneralizedDistanceRBFKernel ( ) [inline]

Definition at line 63 of file GeneralizedDistanceRBFKernel.h.

: phi(), a(), b(), c() {}
PLearn::GeneralizedDistanceRBFKernel::GeneralizedDistanceRBFKernel ( real  the_phi,
real  the_a,
real  the_b,
real  the_c 
) [inline]

Definition at line 64 of file GeneralizedDistanceRBFKernel.h.

        : phi(the_phi), a(the_a), b(the_b), c(the_c)
    {}

Member Function Documentation

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

recognized options are "phi", "a", "b" and "c"

Reimplemented from PLearn::Kernel.

Definition at line 65 of file GeneralizedDistanceRBFKernel.cc.

References a, b, PLearn::OptionBase::buildoption, c, PLearn::declareOption(), and phi.

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

Reimplemented from PLearn::Kernel.

Definition at line 68 of file GeneralizedDistanceRBFKernel.h.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

** Subclasses must override this method **

returns K(x1,x2)

Implements PLearn::Kernel.

Definition at line 51 of file GeneralizedDistanceRBFKernel.cc.

References a, b, c, PLearn::exp(), i, PLearn::TVec< T >::length(), PLERROR, and PLearn::pow().

{ 
#ifdef BOUNDCHECK
    if(x1.length()!=x2.length())
        PLERROR("IN GeneralizedDistanceRBFKernel::evaluate x1 and x2 must have the same length");
#endif

    real summ = 0.0;
    for(int i=0; i<x1.length(); i++)
        summ += pow(fabs(pow(x1[i],(real)a)-pow(x2[i],(real)a)), (real)b);
    return exp(-phi*pow(summ,c));
}

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

Reimplemented from PLearn::Object.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file GeneralizedDistanceRBFKernel.cc.


Member Data Documentation

Reimplemented from PLearn::Kernel.

Definition at line 68 of file GeneralizedDistanceRBFKernel.h.

Definition at line 60 of file GeneralizedDistanceRBFKernel.h.

Referenced by declareOptions().

Definition at line 60 of file GeneralizedDistanceRBFKernel.h.

Referenced by declareOptions().

Definition at line 60 of file GeneralizedDistanceRBFKernel.h.

Referenced by declareOptions().

Definition at line 60 of file GeneralizedDistanceRBFKernel.h.

Referenced by declareOptions().


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