Hi! To expand a vector APL has a primitive "\" to do expansion. b=: 1 0 0 1 0 1 b\1 2 3 1 0 0 2 0 3 b\'abc' a b c I didn't find any primitive in J to do this. How can J solve this problem?
Thanks in advance Gian Medri ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
