source: trunk/lib/svm/Kernel_mev.cc @ 306

// $Id: Kernel_mev.cc 306 2005-05-03 06:59:02Z peter $

#include <c++_tools/svm/Kernel.h>

#include <c++_tools/svm/KernelFunction.h>
#include <c++_tools/gslapi/matrix.h>
#include <c++_tools/gslapi/vector.h>

namespace theplu {
namespace svm {  

Kernel::Kernel(const gslapi::matrix& data, const KernelFunction& kf)
  : k_(data.columns(),data.columns()), kf_(&kf), weighted_(false)
{
  k_ = kf(k_,data);
  kf_=0;
}

Kernel::Kernel(const gslapi::matrix& data, const KernelFunction& kf, 
               const gslapi::matrix& weight)
  : k_(data.columns(),data.columns()), kf_(&kf), weighted_(true)
{
  for(u_int i=0;i<data.columns();i++)
    for(u_int j=i;j<data.columns();j++)
      k_(i,j)=k_(j,i)=kf(data[i],data[j],weight[i],weight[j]);
  
}


Kernel::~Kernel(void)
{
}  

}} // of namespace svm and namespace theplu