Sorry, I'm still stuck on u=#. (Or "," or "<" or "[" ). I'll try to understand some harder working verbs, perhaps + or ! or I. or e?
> On Oct 14, 2019, at 12:18 PM, Raul Miller <rauldmil...@gmail.com> wrote: > > 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 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
