function y=kb_int(x,l)

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

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