function y=kn_int(x,l)

% KN_INT      Evaluates x^l*K(x) for the Normal kernel.
%
%             KN_INT(X,L) evaluates the function x^l*K(x) for 
%             given L and the Normal kernel.
%
%             Christian C. Beardah 1994

y=x.^l.*knorm(x);