function x = XVec(d, j, n) % XVec(d, j, n) returns a row vector of n values per interval for evaluating % B-spline scaling functions of degree d, level j. u = [0:n-1]/(n-1); x = zeros(1,n*2^j); p = 1; for inter = 1:2^j, x(p:p+n-1) = (u + inter - 1)/2^j; p = p + n; end; return;