On Mon, Oct 14, 2019 at 12:06 PM 'Jim Russell' via Programming <programm...@jsoftware.com> wrote: > Thank you Raul! I thought I was agreeing, until I got to the following: > > > On Oct 14, 2019, at 11:40 AM, Raul Miller <rauldmil...@gmail.com> wrote: > > > > So ... it's the "only the nub" which is relevant here, if you do not > > care about the calculation which produces the result. > > What calculation? What would be different if (I was allowed to) just supply > (~.x) as a left argument? (Assuming I didn't care to waste the cycles > calculating the nub when it, at least its size, is going fall out as a > result of looking up each of the eight argument rows). > > But I'll accept that I'm missing something; the alternate that Roger > suggested looks like it should do exactly what I was looking for.
The X U/.Y calculation. The order and values of X matter for that calculation, since they control it. Thanks, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
