CTStudentKernel Class Reference

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Detailed Description

Generalized T-Student kernel.

Formally described as

with degree=1 by default

Definition at line 35 of file TStudentKernel.h.

Inheritance diagram for CTStudentKernel:

List of all members.

Public Member Functions
	CTStudentKernel ()
	CTStudentKernel (int32_t cache, float64_t d, CDistance *dist)
	CTStudentKernel (CFeatures *l, CFeatures *r, float64_t d, CDistance *dist)
virtual	~CTStudentKernel ()
virtual bool	init (CFeatures *l, CFeatures *r)
virtual EKernelType	get_kernel_type ()
virtual EFeatureType	get_feature_type ()
virtual EFeatureClass	get_feature_class ()
virtual const char *	get_name () const
float64_t	get_degree ()
void	set_degree (float64_t value)
Protected Member Functions
virtual float64_t	compute (int32_t idx_a, int32_t idx_b)
Protected Attributes
CDistance *	distance
	distance to be used
float64_t	degree
	degree parameter of kernel

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Constructor & Destructor Documentation

CTStudentKernel

(

)

default constructor

Definition at line 23 of file TStudentKernel.cpp.

CTStudentKernel	(	int32_t	cache,
		float64_t	d,
		CDistance *	dist
	)

constructor

Parameters:

	cache	size of cache
	d	kernel parameter degree
	dist	distance to be used

Definition at line 28 of file TStudentKernel.cpp.

CTStudentKernel	(	CFeatures *	l,
		CFeatures *	r,
		float64_t	d,
		CDistance *	dist
	)

constructor

Parameters:

	l	features left-side
	r	features right-side
	d	kernel parameter degree
	dist	distance to be used

Definition at line 36 of file TStudentKernel.cpp.

~CTStudentKernel

(

)

[virtual]

Definition at line 45 of file TStudentKernel.cpp.

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Member Function Documentation

float64_t compute	(	int32_t	idx_a,
		int32_t	idx_b
	)			[protected, virtual]

compute kernel for specific feature vectors corresponding to [idx_a] of left-side and [idx_b] of right-side

Parameters:

	idx_a	left-side index
	idx_b	right-side index

Returns:

kernel value

Implements CKernel.

Definition at line 59 of file TStudentKernel.cpp.

float64_t get_degree

(

)

getter for degree parameter

Returns:

kernel parameter degree

Definition at line 88 of file TStudentKernel.h.

virtual EFeatureClass get_feature_class

(

)

[virtual]

Returns:

class of features

Implements CKernel.

Definition at line 78 of file TStudentKernel.h.

virtual EFeatureType get_feature_type

(

)

[virtual]

Returns:

type of features

Implements CKernel.

Definition at line 73 of file TStudentKernel.h.

virtual EKernelType get_kernel_type

(

)

[virtual]

Returns:

kernel type

Implements CKernel.

Definition at line 68 of file TStudentKernel.h.

virtual const char* get_name

(

)

const [virtual]

Returns:

name of kernel

Implements CSGObject.

Definition at line 83 of file TStudentKernel.h.

bool init	(	CFeatures *	l,
		CFeatures *	r
	)			[virtual]

initialize kernel with features

Parameters:

	l	features left-side
	r	features right-side

Returns:

true if successful

Reimplemented from CKernel.

Definition at line 51 of file TStudentKernel.cpp.

void set_degree

(

float64_t

value

)

setter for degree parameter

Parameters:

value

kernel parameter degree

Definition at line 93 of file TStudentKernel.h.

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Member Data Documentation

float64_t degree [protected]

degree parameter of kernel

Definition at line 104 of file TStudentKernel.h.

CDistance* distance [protected]

distance to be used

Definition at line 101 of file TStudentKernel.h.

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

• TStudentKernel.h
• TStudentKernel.cpp