Mike, I think the “tacit” and “explicit” versions are in Brian’s email below (last 2 code lines)…/Regards Rob
>> $cntrl filters&(link"2) tesl"3 2 image NB. "tacit" >> 3 2 2 3 2 2 >> $filters(4 : 'cntrl x&(link"2) tesl y')"3 2 image NB. "explicit" >> 3 2 2 2 2 So Brian wants “tacit" to return same shape as “explicit” (ie without the 4th dimension of “3”). …/Rob > On 21 May 2019, at 8:49 am, 'Mike Day' via Programming > <programm...@jsoftware.com> wrote: > > Brian, did you intend to show us the explicit form(s)? > > Mike > > Sent from my iPad > >> On 20 May 2019, at 20:20, Brian Schott <schott.br...@gmail.com> wrote: >> >> I am working with dyadic tessellations using `tesl` below. There are 2 >> versions that give different results: "tacit" and "explicit" . The >> "explicit" version works well for me, but I cannot duplicate the results >> with the "tacit" format. >> >> So, I am wondering if anyone can tease the "tacit" format into the desired >> result? >> >> Notice that the shapes of both "filters" and "image" are prefixed with 3's >> and as a result the shape of the result reflects the 3 separate >> tessellations. But my "tacit" version has an extra 3-shaped dimension in >> resulting shape. >> >> tesl =: ;._3 >> link =: ; >> cntrl =: 1 1,:2 2 >> filters =: 10+i.3 2 2 2 >> image =: 3 3 3$'abcdefghi','ABCDEFGHI',|.'abcdefghi' >> $cntrl filters&(link"2) tesl"3 2 image NB. "tacit" >> 3 2 2 3 2 2 >> $filters(4 : 'cntrl x&(link"2) tesl y')"3 2 image NB. "explicit" >> 3 2 2 2 2 >> >> >> (Btw, I have been using a trick to economize on the vertical space needed >> to screen-print the results in my experiments. An alternative to prefixing >> the expressions with "$" as in the expressions below, I have found that the >> prefix ",." can be quite effective.) >> >> Thanks, >> >> -- >> (B=) >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
