Oh yes... it had been a long day, M
Sent from my iPad > On 20 May 2019, at 23:55, 'Rob Hodgkinson' via Programming > <programm...@jsoftware.com> wrote: > > 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 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
