Without looking studying the sentence evaluator, I expected +.|.@ (+. |.)@
to be identical to +.(|.@) |.@+. > Date: Mon, 10 Dec 2012 15:41:52 -0500 > From: Raul Miller <[email protected]> > To: [email protected] > Subject: Re: [Jprogramming] Just for fun, verb cross > Message-ID: > <CAD2jOU8iKSKDjgPuPf26_wqUSd3QOgscqLcXkCtMC0xZj2o > [email protected]> > Content-Type: text/plain; charset=UTF-8 > > For what it's worth, here's a parenthesis free implementation of my > two variant definitions of cross (and note that I am using what is > probably an unfamiliar J idiom here -- please feel free to ask for an > explanation, if I am not making sense): > > selch=: #"0"1 > orflp=: +.|.@ > cross1=: ,@selch~ = orflp > > cross2=: ,@selch~ =@i.@# orflp ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
