示例#1
0
double saulZeroKernel::dot(vec &v, size_t j){
  Map<VectorXd> vm(v.data(),_n,1);
  double vmNorm = vm.stableNorm();
  double angle = vm.dot(_data.col(j))/( vmNorm * _dataNorm(j));
  angle = (angle > 1)?  1:angle;
  angle = (angle <-1)? -1:angle;
  return calc(angle,_l);
}
示例#2
0
inline void sort(vec & a){
  std::sort(a.data(), a.data()+a.size());
}
示例#3
0
inline std::string repr(vec<T, N> v)
{
    return repr(v.data(), v.size());
}
示例#4
0
double polyKernel::dot(vec &v, size_t j){
  Map<VectorXd> vm(v.data(),_n,1);
  return pow(vm.dot(_data.col(j))+_c,_degree);
}