CDiagKernel Class Reference

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Detailed Description

The Diagonal Kernel returns a constant for the diagonal and zero otherwise.

A kernel that returns zero for all non-diagonal elements and a single constant otherwise, i.e.

Definition at line 26 of file DiagKernel.h.

Inheritance diagram for CDiagKernel:

List of all members.

Public Member Functions
	CDiagKernel ()
	CDiagKernel (int32_t size, float64_t diag=1.0)
	CDiagKernel (CFeatures *l, CFeatures *r, float64_t diag=1.0)
virtual	~CDiagKernel ()
virtual bool	init (CFeatures *l, CFeatures *r)
virtual EFeatureType	get_feature_type ()
virtual EFeatureClass	get_feature_class ()
virtual EKernelType	get_kernel_type ()
virtual const char *	get_name () const
Protected Member Functions
virtual float64_t	compute (int32_t idx_a, int32_t idx_b)
Protected Attributes
float64_t	diag

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Constructor & Destructor Documentation

CDiagKernel

(

)

default constructor

Definition at line 20 of file DiagKernel.cpp.

CDiagKernel	(	int32_t	size,
		float64_t	diag = 1.0
	)

constructor

Parameters:

	size	cache size
	diag	diagonal

Definition at line 26 of file DiagKernel.cpp.

CDiagKernel	(	CFeatures *	l,
		CFeatures *	r,
		float64_t	diag = 1.0
	)

constructor

Parameters:

	l	features of left-hand side
	r	features of right-hand side
	diag	diagonal

Definition at line 33 of file DiagKernel.cpp.

~CDiagKernel

(

)

[virtual]

Definition at line 41 of file DiagKernel.cpp.

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Member Function Documentation

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

compute kernel function for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object

Parameters:

	idx_a	index a
	idx_b	index b

Returns:

computed kernel function at indices a,b

Implements CKernel.

Definition at line 96 of file DiagKernel.h.

virtual EFeatureClass get_feature_class

(

)

[virtual]

return feature class the kernel can deal with

Returns:

feature class ANY

Implements CKernel.

Definition at line 70 of file DiagKernel.h.

virtual EFeatureType get_feature_type

(

)

[virtual]

return feature type the kernel can deal with

Returns:

feature type ANY

Implements CKernel.

Definition at line 61 of file DiagKernel.h.

virtual EKernelType get_kernel_type

(

)

[virtual]

return what type of kernel we are

Returns:

kernel type CUSTOM

Implements CKernel.

Definition at line 79 of file DiagKernel.h.

virtual const char* get_name

(

void

)

const [virtual]

return the kernel's name

Returns:

name Custom

Implements CSGObject.

Definition at line 85 of file DiagKernel.h.

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

initialize kernel

Parameters:

	l	features of left-hand side
	r	features of right-hand side

Returns:

if initializing was successful

Reimplemented from CKernel.

Definition at line 45 of file DiagKernel.cpp.

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Member Data Documentation

float64_t diag [protected]

diagonal

Definition at line 108 of file DiagKernel.h.

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

• DiagKernel.h
• DiagKernel.cpp