Thanks for the answers. And thanks for the advice about the accessible dictionary Regards,Jon
> Date: Thu, 27 Feb 2014 21:08:01 -0500 > From: [email protected] > To: [email protected] > Subject: Re: [Jprogramming] Atop Question > > On the J Wiki, find "The Accessible Dictionary" in the new users > section. The description of @ vs @: is described there. > > Henry Rich > > On 2/27/2014 8:15 PM, Jon Hough wrote: > > Another beginner question . I'm trying to understand how atop (@) > > works.I've read this http://www.jsoftware.com/help/dictionary/d620.htm > > But I made my own example and the results are not as I expected.I made a > > tacit dyadic verb: > > func =: <./ @ + > > Here + is dyadic and <./ is monadic. > > If I do > > 1 2 func 3 4 > > The result is > > 4 6 > > But from the above link: x u@v y ↔ u x v y > > > > So this verb is equivalent to adding the two vectors x and y and then > > finding the min element of the resulting vector. So I think the result > > should just be 4.In other words, why is my result 4 6? > > Indeed, if I break up the verb and do: > > 1 2 + 3 4 > > result: 4 6 <./ 4 6 > > result: 4 > > This is as I think it should be. Any help appreciated. > > Thanks,Jon > > ---------------------------------------------------------------------- > > 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
