/usr/include/shogun/classifier/mkl/MKLMultiClassGLPK.h is in libshogun-dev 1.1.0-4ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | /*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Written (W) 2009 Alexander Binder
* Copyright (C) 2009 Fraunhofer Institute FIRST and Max-Planck-Society
*/
#ifndef MKLMULTICLASSGLPK_H_
#define MKLMULTICLASSGLPK_H_
#include <vector>
#include <shogun/base/SGObject.h>
#include <shogun/classifier/mkl/MKLMultiClassOptimizationBase.h>
namespace shogun
{
/** @brief MKLMultiClassGLPK is a helper class for MKLMultiClass.
*
* it solves the corresponding linear problem arising in SIP formulation for
* MKL using glpk
*/
class MKLMultiClassGLPK: public MKLMultiClassOptimizationBase
{
public:
/** Class default Constructor
*
*/
MKLMultiClassGLPK();
/** Class default Destructor
*
*/
virtual ~MKLMultiClassGLPK();
/** initializes GLPK LP sover
*
* @param numkernels2 is the number of kernels
*
*
*/
virtual void setup(const int32_t numkernels2);
/** adds a constraint to the LP arising in L1 MKL based on two parameters
*
* @param normw2 is the vector of \f$ \|w_k \|^2 \f$ for all kernels
* @param sumofpositivealphas is a term depending on alphas, labels and
* biases, see in the function float64_t getsumofsignfreealphas() from
* MKLMultiClass.h, it depends on the formulation of the underlying GMNPSVM.
*
*/
virtual void addconstraint(const ::std::vector<float64_t> & normw2,
const float64_t sumofpositivealphas);
/** computes MKL weights
*
* @param weights2 stores the new weights
*
*/
virtual void computeweights(std::vector<float64_t> & weights2);
/** @return object name */
inline virtual const char* get_name() const
{
return "MKLMultiClassGLPK";
}
protected:
/** Class Copy Constructor
* protected to avoid its usage because member glp_prob* linearproblem;
* from GLPK package is not copyable
*/
MKLMultiClassGLPK(MKLMultiClassGLPK & gl);
/** Class Assignment operator
* protected to avoid its usage because member glp_prob* linearproblem;
* from GLPK package is not copyable
*/
MKLMultiClassGLPK operator=(MKLMultiClassGLPK & gl);
protected:
/** stores the number of kernels which acts as a parameter for the LP */
int32_t numkernels;
/** GLPK data structure of type glp_prob* */
void* linearproblem;
};
}
#endif
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