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Last change
on this file since 353 was
353,
checked in by Peter, 17 years ago
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removed function returning the whole matrix. It is not needed anymore and should not be there for simplistic reasons.
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Property svn:eol-style set to
native
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Property svn:keywords set to
Author Date Id Revision
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File size:
928 bytes
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| 1 | // $Id: KernelFunction.h 353 2005-06-08 23:28:35Z peter $ |
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| 2 | |
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| 3 | #ifndef _theplu_svm_kernel_function_ |
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| 4 | #define _theplu_svm_kernel_function_ |
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| 5 | |
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| 6 | namespace theplu { |
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| 7 | |
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| 8 | namespace gslapi { |
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| 9 | class vector; |
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| 10 | class matrix; |
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| 11 | } |
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| 12 | |
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| 13 | namespace svm { |
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| 14 | |
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| 15 | /// |
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| 16 | /// Virtual Class calculating kernel matrix. |
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| 17 | /// |
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| 18 | class KernelFunction |
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| 19 | { |
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| 20 | |
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| 21 | public: |
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| 22 | /// |
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| 23 | /// Constructor |
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| 24 | /// |
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| 25 | KernelFunction(void) {}; |
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| 26 | |
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| 27 | /// |
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| 28 | /// Destructor |
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| 29 | /// |
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| 30 | virtual ~KernelFunction(void) {}; |
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| 31 | |
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| 32 | /// |
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| 33 | /// @return scalar product of two vector in feature space. |
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| 34 | /// |
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| 35 | virtual double operator()(const gslapi::vector&, |
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| 36 | const gslapi::vector&) const = 0; |
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| 37 | |
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| 38 | /// |
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| 39 | /// @return scalar product of two vector in feature space. |
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| 40 | /// |
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| 41 | virtual double operator()(const gslapi::vector&, |
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| 42 | const gslapi::vector&, |
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| 43 | const gslapi::vector&, |
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| 44 | const gslapi::vector&) const = 0; |
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| 45 | |
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| 46 | }; // class KernelFunction |
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| 47 | |
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| 48 | }} // of namespace svm and namespace theplu |
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| 49 | |
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| 50 | #endif |
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