Raul, Thanks very much. That seems to overcome the main problem, but for that example using n0 your result keeps the initial N (and also does not change it to a:) before eliminating a:'s .
That seems odd. On Fri, Dec 15, 2017 at 6:52 PM, Raul Miller <[email protected]> wrote: > Like this? > > ({.@ni n0`n1`n2@.({:@ni) ]) ;:2}.ex1 > ┌─┬──┬──┬──┬──┬──┬──┐ > │N│NW│NW│NE│NE│SW│SW│ > └─┴──┴──┴──┴──┴──┴──┘ > > Or, if you do not like running ni twice: > > (({.@] n0 [)`({.@] n1 [)`({.@] n2 [)@.({:@]) ni) ;:2}.ex1 > ┌─┬──┬──┬──┬──┬──┬──┐ > │N│NW│NW│NE│NE│SW│SW│ > └─┴──┴──┴──┴──┴──┴──┘ > > I hope this helps, > > -- > Raul > > > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
