This should be easy, but I don't see it. a =: i. 2 3 4
I want the f in ab =: f a where $ ab is 6 4. f =: |: @: (,"2 &.(0 1&|:)) seems to work , and f f. doesn't simplify it, but I keep thinking I'm missing a way to drop the leftmost |: . Ideas? Bill -- Bill Harris ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
