celeste::Kernel Class Reference

Inheritance diagram for celeste::Kernel:

Public Member Functions
	Kernel (int l, svm_node *const *x, const svm_parameter &param)
virtual	~Kernel ()
virtual Qfloat *	get_Q (int column, int len) const =0
virtual double *	get_QD () const =0
virtual void	swap_index (int i, int j) const
Public Member Functions inherited from celeste::QMatrix
virtual	~QMatrix ()

Static Public Member Functions
static double	k_function (const svm_node *x, const svm_node *y, const svm_parameter &param)

Protected Attributes
double(Kernel::*	kernel_function )(int i, int j) const

Private Member Functions
double	kernel_linear (int i, int j) const
double	kernel_poly (int i, int j) const
double	kernel_rbf (int i, int j) const
double	kernel_sigmoid (int i, int j) const
double	kernel_precomputed (int i, int j) const

Static Private Member Functions
static double	dot (const svm_node *px, const svm_node *py)

Private Attributes
const svm_node **	x
double *	x_square
const int	kernel_type
const int	degree
const double	gamma
const double	coef0

Detailed Description

Definition at line 249 of file svm.cpp.

Constructor & Destructor Documentation

celeste::Kernel::Kernel	(	int	l,
		svm_node *const *	x,
		const svm_parameter &	param
	)

Definition at line 300 of file svm.cpp.

References celeste::clone(), dot(), kernel_function, kernel_linear(), kernel_poly(), kernel_precomputed(), kernel_rbf(), kernel_sigmoid(), kernel_type, celeste::LINEAR, celeste::POLY, celeste::PRECOMPUTED, celeste::RBF, celeste::SIGMOID, x, and x_square.

celeste::Kernel::~Kernel ( )

virtual

Definition at line 335 of file svm.cpp.

References x, and x_square.

Member Function Documentation

double celeste::Kernel::dot ( const svm_node *  px, const svm_node *  py  )

staticprivate

Definition at line 341 of file svm.cpp.

References celeste::svm_node::index, and celeste::svm_node::value.

Referenced by k_function(), Kernel(), kernel_linear(), kernel_poly(), kernel_rbf(), and kernel_sigmoid().

virtual Qfloat* celeste::Kernel::get_Q ( int  column, int  len  ) const

pure virtual

Implements celeste::QMatrix.

Implemented in celeste::SVR_Q, celeste::ONE_CLASS_Q, and celeste::SVC_Q.

virtual double* celeste::Kernel::get_QD ( ) const

pure virtual

Implements celeste::QMatrix.

Implemented in celeste::SVR_Q, celeste::ONE_CLASS_Q, and celeste::SVC_Q.

double celeste::Kernel::k_function ( const svm_node *  x, const svm_node *  y, const svm_parameter &  param  )

static

Definition at line 363 of file svm.cpp.

References celeste::svm_parameter::coef0, celeste::svm_parameter::degree, dot(), celeste::svm_parameter::gamma, celeste::svm_node::index, celeste::svm_parameter::kernel_type, celeste::LINEAR, celeste::POLY, celeste::powi(), celeste::PRECOMPUTED, celeste::RBF, celeste::SIGMOID, celeste::svm_node::value, and x.

Referenced by celeste::svm_predict_values().

double celeste::Kernel::kernel_linear ( int  i, int  j  ) const

inlineprivate

Definition at line 278 of file svm.cpp.

References dot().

Referenced by Kernel().

double celeste::Kernel::kernel_poly ( int  i, int  j  ) const

inlineprivate

Definition at line 282 of file svm.cpp.

References coef0, degree, dot(), gamma, and celeste::powi().

Referenced by Kernel().

double celeste::Kernel::kernel_precomputed ( int  i, int  j  ) const

inlineprivate

Definition at line 294 of file svm.cpp.

References celeste::svm_node::value.

Referenced by Kernel().

double celeste::Kernel::kernel_rbf ( int  i, int  j  ) const

inlineprivate

Definition at line 286 of file svm.cpp.

References dot(), gamma, and x_square.

Referenced by Kernel().

double celeste::Kernel::kernel_sigmoid ( int  i, int  j  ) const

inlineprivate

Definition at line 290 of file svm.cpp.

References coef0, dot(), and gamma.

Referenced by Kernel().

virtual void celeste::Kernel::swap_index ( int  i, int  j  ) const

inlinevirtual

Implements celeste::QMatrix.

Reimplemented in celeste::SVR_Q, celeste::ONE_CLASS_Q, and celeste::SVC_Q.

Definition at line 258 of file svm.cpp.

References celeste::swap(), and x_square.

Referenced by celeste::SVC_Q::swap_index(), and celeste::ONE_CLASS_Q::swap_index().

Member Data Documentation

const double celeste::Kernel::coef0

private

Definition at line 275 of file svm.cpp.

Referenced by kernel_poly(), and kernel_sigmoid().

const int celeste::Kernel::degree

private

Definition at line 273 of file svm.cpp.

Referenced by kernel_poly().

const double celeste::Kernel::gamma

private

Definition at line 274 of file svm.cpp.

Referenced by kernel_poly(), kernel_rbf(), and kernel_sigmoid().

double(Kernel::* celeste::Kernel::kernel_function)(int i, int j) const

protected

Definition at line 265 of file svm.cpp.

Referenced by celeste::SVC_Q::get_Q(), celeste::ONE_CLASS_Q::get_Q(), celeste::SVR_Q::get_Q(), Kernel(), celeste::ONE_CLASS_Q::ONE_CLASS_Q(), celeste::SVC_Q::SVC_Q(), and celeste::SVR_Q::SVR_Q().

const int celeste::Kernel::kernel_type

private

Definition at line 272 of file svm.cpp.

Referenced by Kernel().

const svm_node** celeste::Kernel::x

private

Definition at line 268 of file svm.cpp.

Referenced by k_function(), Kernel(), and ~Kernel().

double* celeste::Kernel::x_square

private

Definition at line 269 of file svm.cpp.

Referenced by Kernel(), kernel_rbf(), swap_index(), and ~Kernel().

---

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

• celeste/svm.cpp