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

returns log(1+exp(c*x1.x2)) = primitive of sigmoidal kernel More...

#include <SigmoidPrimitiveKernel.h>

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List of all members.

Public Member Functions

 SigmoidPrimitiveKernel ()
 SigmoidPrimitiveKernel (real the_c)
virtual string classname () const
virtual OptionListgetOptionList () const
virtual OptionMapgetOptionMap () const
virtual RemoteMethodMapgetRemoteMethodMap () const
virtual SigmoidPrimitiveKerneldeepCopy (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 option is "c"

Protected Attributes

real c
 smoothing constant

Private Types

typedef Kernel inherited

Detailed Description

returns log(1+exp(c*x1.x2)) = primitive of sigmoidal kernel

Definition at line 54 of file SigmoidPrimitiveKernel.h.


Member Typedef Documentation

Reimplemented from PLearn::Kernel.

Definition at line 56 of file SigmoidPrimitiveKernel.h.


Constructor & Destructor Documentation

PLearn::SigmoidPrimitiveKernel::SigmoidPrimitiveKernel ( ) [inline]

Definition at line 62 of file SigmoidPrimitiveKernel.h.

        : c() {}
PLearn::SigmoidPrimitiveKernel::SigmoidPrimitiveKernel ( real  the_c) [inline]

Definition at line 64 of file SigmoidPrimitiveKernel.h.

        : c(the_c) {}

Member Function Documentation

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

recognized option is "c"

Reimplemented from PLearn::Kernel.

Definition at line 55 of file SigmoidPrimitiveKernel.cc.

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

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

Reimplemented from PLearn::Kernel.

Definition at line 67 of file SigmoidPrimitiveKernel.h.

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

Reimplemented from PLearn::Kernel.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

real PLearn::SigmoidPrimitiveKernel::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 SigmoidPrimitiveKernel.cc.

References c, PLearn::dot(), PLearn::exp(), and PLearn::log().

{ return log(1.0+exp(c*dot(x1,x2))); }

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

Reimplemented from PLearn::Object.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.

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

Reimplemented from PLearn::Object.

Definition at line 49 of file SigmoidPrimitiveKernel.cc.


Member Data Documentation

Reimplemented from PLearn::Kernel.

Definition at line 67 of file SigmoidPrimitiveKernel.h.

smoothing constant

Definition at line 59 of file SigmoidPrimitiveKernel.h.

Referenced by declareOptions().


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