source: branches/0.4-stable/yat/regression/KernelTriCube.h @ 1392

Last change on this file since 1392 was 1392, checked in by Peter, 13 years ago

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1#ifndef _theplu_yat_regression_kerneltricube_
2#define _theplu_yat_regression_kerneltricube_
3
4// $Id: KernelTriCube.h 1392 2008-07-28 19:35:30Z peter $
5
6/*
7  Copyright (C) 2005 Jari Häkkinen, Peter Johansson
8  Copyright (C) 2006 Jari Häkkinen
9  Copyright (C) 2007 Jari Häkkinen, Peter Johansson
10
11  This file is part of the yat library, http://dev.thep.lu.se/yat
12
13  The yat library is free software; you can redistribute it and/or
14  modify it under the terms of the GNU General Public License as
15  published by the Free Software Foundation; either version 2 of the
16  License, or (at your option) any later version.
17
18  The yat library is distributed in the hope that it will be useful,
19  but WITHOUT ANY WARRANTY; without even the implied warranty of
20  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21  General Public License for more details.
22
23  You should have received a copy of the GNU General Public License
24  along with this program; if not, write to the Free Software
25  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
26  02111-1307, USA.
27*/
28
29#include "Kernel.h"
30
31namespace theplu {
32namespace yat {
33namespace regression {
34
35  ///
36  /// @brief Class for TriCubal kernel.
37  ///
38  class KernelTriCube : public Kernel
39  {
40   
41  public:
42    ///
43    /// Constructor
44    ///
45    KernelTriCube() ;
46
47    ///
48    /// Operator calculating kernel value as \f$ w(x)=(1-|x|^3)^3\f$ if
49    /// \f$|x|\le 1 \f$, \f$ w(x)=0 \f$ otherwise.
50    ///
51    double operator()(const double) const;
52 
53  private:
54  };
55
56}}} // of namespaces regression, yat, and theplu
57
58#endif
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