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SVKernelMatrix.h
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1// @(#)root/tmva $Id$
2// Author: Andrzej Zemla
3
4/**********************************************************************************
5 * Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
6 * Package: TMVA *
7 * Class : SVKernelMatrix *
8 * Web : http://tmva.sourceforge.net *
9 * *
10 * Description: *
11 * Kernel matrix for Support Vector Machine *
12 * *
13 * Authors (alphabetical): *
14 * Marcin Wolter <Marcin.Wolter@cern.ch> - IFJ PAN, Krakow, Poland *
15 * Andrzej Zemla <azemla@cern.ch> - IFJ PAN, Krakow, Poland *
16 * (IFJ PAN: Henryk Niewodniczanski Inst. Nucl. Physics, Krakow, Poland) *
17 * *
18 * Copyright (c) 2005: *
19 * CERN, Switzerland *
20 * MPI-K Heidelberg, Germany *
21 * PAN, Krakow, Poland *
22 * *
23 * Redistribution and use in source and binary forms, with or without *
24 * modification, are permitted according to the terms listed in LICENSE *
25 * (http://tmva.sourceforge.net/LICENSE) *
26 **********************************************************************************/
27
28#ifndef ROOT_TMVA_SVKernelMatrix
29#define ROOT_TMVA_SVKernelMatrix
30
31#include "RtypesCore.h"
32
33#include <vector>
34
35namespace TMVA {
36
37 class SVEvent;
38 class SVKernelFunction;
39 class MsgLogger;
40
42
43 public:
44
45 //constructors
47 SVKernelMatrix( std::vector<TMVA::SVEvent*>*, SVKernelFunction* );
48
49 //destructor
51
52 //functions
54 Float_t* GetColumn ( UInt_t col ) { return this->GetLine(col);}
56
57 private:
58
59 UInt_t fSize; ///< matrix size
60 SVKernelFunction* fKernelFunction; ///< kernel function
61 Float_t** fSVKernelMatrix; ///< kernel matrix
62
63 mutable MsgLogger* fLogger; ///<! message logger
64 MsgLogger& Log() const { return *fLogger; }
65
66 };
67}
68#endif
unsigned int UInt_t
Definition: RtypesCore.h:46
float Float_t
Definition: RtypesCore.h:57
ostringstream derivative to redirect and format output
Definition: MsgLogger.h:57
Kernel for Support Vector Machine.
Kernel matrix for Support Vector Machine.
UInt_t fSize
matrix size
Float_t GetElement(UInt_t i, UInt_t j)
returns an element of the kernel matrix
Float_t * GetColumn(UInt_t col)
SVKernelMatrix()
constructor
MsgLogger * fLogger
! message logger
~SVKernelMatrix()
destructor
Float_t * GetLine(UInt_t)
returns a row of the kernel matrix
Float_t ** fSVKernelMatrix
kernel matrix
SVKernelFunction * fKernelFunction
kernel function
MsgLogger & Log() const
create variable transformations