Ok. How about this?
[image: s_i=1/nsum_(j=i)^(i+n-1)a_j.] ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
Ok. How about this?
[image: s_i=1/nsum_(j=i)^(i+n-1)a_j.] ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm