Another candidate is >,{i.&.>$x . (4 $. $.) has the "problem" that indices
corresponding to 0 elements are excluded.On Fri, Nov 13, 2020 at 6:59 PM Henry Rich <[email protected]> wrote: > Ric Sherlock has suggested that (4 $. $.) would be an idiom worthy of > special code. I agree & will do it sometime. > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
