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src
shogun
kernel
string
LinearStringKernel.h
浏览该文件的文档.
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Written (W) 1999-2009 Soeren Sonnenburg
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* Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
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*/
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#ifndef _LINEARSTRINGKERNEL_H___
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#define _LINEARSTRINGKERNEL_H___
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#include <
shogun/lib/common.h
>
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#include <
shogun/kernel/string/StringKernel.h
>
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namespace
shogun
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{
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class
CLinearStringKernel
:
public
CStringKernel
<char>
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{
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public
:
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CLinearStringKernel
();
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CLinearStringKernel
(
CStringFeatures<char>
* l,
CStringFeatures<char>
* r);
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virtual
~CLinearStringKernel
();
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virtual
bool
init
(
CFeatures
* l,
CFeatures
* r);
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virtual
void
cleanup
();
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virtual
EKernelType
get_kernel_type
()
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{
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return
K_LINEAR
;
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}
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virtual
const
char
*
get_name
()
const
{
return
"LinearStringKernel"
; }
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virtual
bool
init_optimization
(
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int32_t num_suppvec, int32_t* sv_idx,
float64_t
* alphas);
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virtual
bool
delete_optimization
();
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virtual
float64_t
compute_optimized
(int32_t idx);
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virtual
void
clear_normal
();
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virtual
void
add_to_normal
(int32_t idx,
float64_t
weight);
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protected
:
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virtual
float64_t
compute
(int32_t idx_a, int32_t idx_b);
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protected
:
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float64_t
*
normal
;
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};
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}
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#endif
/* _LINEARSTRINGKERNEL_H___ */
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