Rosetta: Kernel Class Reference

Inheritance diagram for Kernel:

Inheritance graph

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 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

Constructor & Destructor Documentation

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

References clone(), dot(), kernel_function, kernel_linear(), kernel_poly(), kernel_precomputed(), kernel_rbf(), kernel_sigmoid(), kernel_type, basic::options::OptionKeys::in::file::l, LINEAR, POLY, PRECOMPUTED, RBF, SIGMOID, x, and x_square.

Kernel::~Kernel ( )

virtual

References x, and x_square.

Member Function Documentation

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

staticprivate

References svm_node::index, sum(), and svm_node::value.

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

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

pure virtual

Implements QMatrix.

Implemented in SVR_Q, ONE_CLASS_Q, and SVC_Q.

virtual double* Kernel::get_QD ( ) const

pure virtual

Implements QMatrix.

Implemented in SVR_Q, ONE_CLASS_Q, and SVC_Q.

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

static

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

Referenced by svm_predict_values().

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

inlineprivate

References dot().

Referenced by Kernel().

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

inlineprivate

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

Referenced by Kernel().

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

inlineprivate

References svm_node::value, and value.

Referenced by Kernel().

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

inlineprivate

References dot(), gamma, and x_square.

Referenced by Kernel().

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

inlineprivate

References coef0, dot(), and gamma.

Referenced by Kernel().

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

inlinevirtual

Implements QMatrix.

Reimplemented in SVR_Q, ONE_CLASS_Q, and SVC_Q.

References basic::options::OptionKeys::frags::j, swap(), and x_square.

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

Member Data Documentation

const double Kernel::coef0

private

Referenced by kernel_poly(), and kernel_sigmoid().

const int Kernel::degree

private

Referenced by kernel_poly().

const double Kernel::gamma

private

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

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

protected

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

const int Kernel::kernel_type

private

Referenced by Kernel().

const svm_node** Kernel::x

private

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

double* Kernel::x_square

private

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

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

src/utility/libsvm/Svm.cc