Public Member Functions | Protected Member Functions | Protected Attributes

CInverseMultiQuadricKernel Class Reference


Detailed Description

InverseMultiQuadricKernel.

\[ K(x,x') = 1/(\sqrt{\| x - x' \|^2 +c^2}) \]

Definition at line 32 of file InverseMultiQuadricKernel.h.

Inheritance diagram for CInverseMultiQuadricKernel:
Inheritance graph
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List of all members.

Public Member Functions

 CInverseMultiQuadricKernel ()
 CInverseMultiQuadricKernel (int32_t cache, float64_t coef, CDistance *dist)
 CInverseMultiQuadricKernel (CFeatures *l, CFeatures *r, float64_t coef, CDistance *dist)
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_coef ()
void set_coef (float64_t value)
virtual ~CInverseMultiQuadricKernel ()

Protected Member Functions

virtual float64_t compute (int32_t idx_a, int32_t idx_b)
virtual void load_serializable_post () throw (ShogunException)

Protected Attributes

CDistancedistance
float64_t coef

Constructor & Destructor Documentation

default constructor

Definition at line 17 of file InverseMultiQuadricKernel.cpp.

CInverseMultiQuadricKernel ( int32_t  cache,
float64_t  coef,
CDistance dist 
)

constructor

Parameters:
cache size of cache
coef kernel parameter coef
dist distance to be used

Definition at line 22 of file InverseMultiQuadricKernel.cpp.

CInverseMultiQuadricKernel ( CFeatures l,
CFeatures r,
float64_t  coef,
CDistance dist 
)

constructor

Parameters:
l features left-side
r features right-side
coef kernel parameter coef
dist distance to be used

Definition at line 29 of file InverseMultiQuadricKernel.cpp.

~CInverseMultiQuadricKernel (  )  [virtual]

Definition at line 37 of file InverseMultiQuadricKernel.cpp.


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 61 of file InverseMultiQuadricKernel.cpp.

float64_t get_coef (  ) 

getter for coef parameter

Returns:
kernel parameter coefficient

Definition at line 83 of file InverseMultiQuadricKernel.h.

virtual EFeatureClass get_feature_class (  )  [virtual]
Returns:
class of features

Implements CKernel.

Definition at line 73 of file InverseMultiQuadricKernel.h.

virtual EFeatureType get_feature_type (  )  [virtual]
Returns:
type of features

Implements CKernel.

Definition at line 68 of file InverseMultiQuadricKernel.h.

virtual EKernelType get_kernel_type (  )  [virtual]
Returns:
kernel type

Implements CKernel.

Definition at line 63 of file InverseMultiQuadricKernel.h.

virtual const char* get_name (  )  const [virtual]
Returns:
name of kernel

Implements CSGObject.

Definition at line 78 of file InverseMultiQuadricKernel.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 43 of file InverseMultiQuadricKernel.cpp.

void load_serializable_post (  )  throw (ShogunException) [protected, virtual]

Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_POST is called.

Exceptions:
ShogunException Will be thrown if an error occurres.

Reimplemented from CKernel.

Definition at line 50 of file InverseMultiQuadricKernel.cpp.

void set_coef ( float64_t  value  ) 

setter for coef parameter

Parameters:
value kernel parameter coefficient

Definition at line 88 of file InverseMultiQuadricKernel.h.


Member Data Documentation

float64_t coef [protected]

theta parameter of kernel - coefficient

Definition at line 100 of file InverseMultiQuadricKernel.h.

CDistance* distance [protected]

distance to be used

Definition at line 96 of file InverseMultiQuadricKernel.h.


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