Mike Powell wrote: > b =: 0 1 1 0 1 1 > g=:+/`$ > list=:1 2;3 4 5 6;8 8 8; 9 2 4 1 3;1 2; 5 5 5 5 5
b [EMAIL PROTECTED]@.[&.> list (this uses the undocumented [EMAIL PROTECTED] notation). > 3;4;3;19;2;5 Except, it's not quite that -- the result of $ is a one element list, so your result is really 3;(,4);(,3);19;(,1);(,1) Or you could change g to +/`# -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
