[d=:4 + (i. 3 3)
v =. 13 : 'x (|:@:])`({.@:])`(_.$~([, {.@:$@:]))} y'
20 v dSmall celebration... I got the exotic form to work. My apologies for posting incorrect code. It was a copy and paste error on my part from smaller atomic examples. Also, the J IDE is more helpful than I previously thought in highlighting issues. I'm almost walking with J now. See. No hands. --Steven ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
