public override float Product(int element1, int element2)
{
if (element1 >= problemElements.Length)
{
throw new IndexOutOfRangeException("element1 out of range");
}
if (element2 >= problemElements.Length)
{
throw new IndexOutOfRangeException("element2 out of range");
}
return(ChiSquaredNormKernel.ChiSquareNormDist(problemElements[element1], problemElements[element2]));
}
public override float Product(SparseVec element1, SparseVec element2)
{
//return chiSquared.Product(element1, element2);
return(ChiSquaredNormKernel.ChiSquareNormDist(element1, element2));
}