/// <summary>
/// Evaluates the kernel of a point against the basis
/// </summary>
/// <param name="x">Input</param>
/// <returns>Kernel values</returns>
public Vector KernelOf_X_B(Vector x)
{
int numBasis = NumberBasisPoints;
Vector result = Vector.Zero(numBasis);
IList <Vector> b = Basis;
for (int i = 0; i < numBasis; i++)
{
result[i] = Prior.Covariance(x, b[i]);
}
return(result);
}
/// <summary>
/// Evaluates the kernel of a list of points against the basis
/// </summary>
/// <param name="XList">List of inputs</param>
/// <returns>Kernel values</returns>
public Matrix KernelOf_X_B(IList <Vector> XList)
{
int numPoints = XList.Count;
int numBasis = Basis.Count;
Matrix kXB = new Matrix(numPoints, numBasis);
for (int i = 0; i < numPoints; i++)
{
for (int j = 0; j < numBasis; j++)
{
kXB[i, j] = Prior.Covariance(XList[i], Basis[j]);
}
}
return(kXB);
}