Raul, Your solution that just boxes the y (1 0) is the one I should have found. I got as close as the following, but couldn't quite finish.
('+/~';'*/~')128!:2"0 _ &.><1 0 |syntax error | ('+/~';'*/~') 128!:2"0 _&.><1 0 Thanks, On Wed, Jul 26, 2017 at 9:27 AM, Raul Miller <rauldmil...@gmail.com> wrote: > [snip] > > That said, > > ('+/~';'*/~')128!:2 &.><1 0 > ┌───┬───┐ > │2 1│1 0│ > │1 0│0 0│ > └───┴───┘ > > FYI, > > -- > Raul > > -- (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm