True, though the fork was mainly used through a proverb. Anyway, mentioned just in case Michal had overlooked this case of dyadic p: (it's easy to miss).
On Tue, Sep 1, 2015 at 7:28 PM, Raul Miller <rauldmil...@gmail.com> wrote: > I was thinking that also, but #@q: leads into some of the other stuff > he's doing. > > Thanks, > > -- > Raul > > On Tue, Sep 1, 2015 at 2:04 PM, Marc Simpson <m...@0branch.com> wrote: >> Very neat Michal. >> >> Re: primality checks, you may find 1&p: more suitable. Efficiency >> gains on this machine, >> >> timespacex '(1=#@q:) 1+i.1e7' >> 14.7121 4.19433e8 >> timespacex '1 p: 1+i.1e7' >> 3.10132 2.85214e8 >> >> Best, >> Marc >> >> On Tue, Sep 1, 2015 at 3:56 PM, Raul Miller <rauldmil...@gmail.com> wrote: >>> Here's another copy of that particular essay: >>> >>> http://www.jsoftware.com/papers/play132.htm >>> >>> That said, picking up the book can certainly have some advantages. >>> >>> Thanks, >>> >>> -- >>> Raul >>> >>> >>> On Tue, Sep 1, 2015 at 2:35 AM, Rob Hodgkinson <rhodg...@me.com> wrote: >>>> Very nice work Michael, well presented and interesting !! >>>> >>>> Did you also see Eugene McDonnell’s essays on ‘volutes’ (spirals) in At >>>> Play With J (around page 85). >>>> Also here … "At Play With J (Edn 2)” paperback >>>> <https://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CB4QFjAAahUKEwj_8fTtm9XHAhUnJKYKHbCgAHY&url=http://www.jsoftware.com/jwiki/At%2520Play%2520With%2520J&ei=8UblVb-1CafImAWwwYKwBw&usg=AFQjCNHOakLes8gaM40T8nrbCX92Brp8cQ> >>>> >>>> >>>> Note that Joey Tuttle (and Roger Hui) contributed a lot of ideas and a >>>> solution to Eugene also, but I think your derivation is actually very >>>> elegant !!! >>>> >>>> (so I copied Joey to verify)…/Regards Rob >>>> >>>> >>>>> On 1 Sep 2015, at 1:09 pm, Michal Wallace <michal.wall...@gmail.com> >>>>> wrote: >>>>> >>>>> Hey all, >>>>> >>>>> I made a 15 minute video about a line of J code I wrote a while back: >>>>> >>>>> https://www.youtube.com/watch?v=dBC5vnwf6Zw >>>>> >>>>> -Michal >>>>> ---------------------------------------------------------------------- >>>>> 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 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
