I came up with g=: - |. &. #:
but I still like the way that he approaches his explanation of f=. ] - [: #. [: |. #: Cheers, bob > On Aug 28, 2019, at 7:27 AM, Raul Miller <rauldmil...@gmail.com> wrote: > > On Wed, Aug 28, 2019 at 10:16 AM 'robert therriault' via Programming > <programm...@jsoftware.com> wrote: >> I just became aware of the work that Pete Corey has been doing in using J to >> take on a series of Numberphile investigations with J. This is the most >> recent and I think is worth a look. >> >> http://www.petecorey.com/blog/2019/08/26/prime-parallelograms/ > > I look at his 'f' and I immediately want to rewrite it as: > > F=: - 2 #. |.@#: > > That might not meet his standards, but... actually, I am not quite > sure how to describe what motivates me to want to phrase it this way. > > 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
