That should not matter. The cycle does not have a specific beginning
or ending - it's a cycle. It does not even have a specific direction.
(The original example had the same vertex in it twice, to represent
that. If you want that, do (, {.) to that result.)Thanks, -- Raul On Thu, Aug 25, 2016 at 5:50 PM, Louis de Forcrand <[email protected]> wrote: > I think the 2 at the beginning of your solution (1 _2_ 3 17 …) should be at > the end. > > Cheers, > Louis > >> On 25 Aug 2016, at 23:21, Raul Miller <[email protected]> wrote: >> >> I am more than willing to believe that I have been careless and made a >> mistake. I'm actually pretty talented at making mistakes. >> >> That said, it looks to me as if 2 is adjacent to 4: >> >> 2{edges >> 2 4 >> >> Is there something about this that I am missing? >> >> Thanks, >> >> -- >> Raul >> >> On Thu, Aug 25, 2016 at 2:19 PM, R.E. Boss <[email protected]> wrote: >>> You should swap the first two numbers of your solution, since 2 is not >>> adjacent to 4. >>> >>> It's more or less what I came up with, be it explicit. >>> ;{.(3 :('''x y''=.y'; '(y-.t{y);~ x,({:x)-.~y{~t=.1 i.~ y e.~"1 >>> {:x'))^:(#@>@{:) ({.;}.) edges >>> 1 2 4 5 6 7 8 9 10 11 12 13 24 25 26 23 16 15 14 22 21 20 19 18 17 3 1 >>> >>> >>> R.E. Boss >>> >>> >>>> -----Original Message----- >>>> From: Programming [mailto:[email protected]] >>>> On Behalf Of Raul Miller >>>> Sent: donderdag 25 augustus 2016 15:36 >>>> To: Programming forum <[email protected]> >>>> Subject: Re: [Jprogramming] determine the cycle >>>> >>>> Oops, I represented the vertices incorrectly ({."1 would only be valid if >>>> the >>>> edges were directed). >>>> >>>> Here's a fix: >>>> >>>> ~., ((] , -. {~ {.@I.@(-. +./"1@e. {:@]))^:(<:@#@[) ,:@{.) edges >>>> 1 2 3 17 18 19 20 21 22 14 15 16 23 26 25 24 13 12 11 10 9 8 7 6 5 4 >>>> >>>> This is the same core implementation, but this should show the actual >>>> vertices being traversed in the order they are encountered. >>>> >>>> Thanks, >>>> >>>> -- >>>> Raul >>>> >>>> >>>> On Thu, Aug 25, 2016 at 8:36 AM, 'Jon Hough' via Programming >>>> <[email protected]> wrote: >>>>> Raul, >>>>> >>>>> your solution seems to miss out some vertices and duplicates others. >>>>> >>>>> >>>>> -------------------------------------------- >>>>> On Thu, 8/25/16, Raul Miller <[email protected]> wrote: >>>>> >>>>> Subject: Re: [Jprogramming] determine the cycle >>>>> To: "Programming forum" <[email protected]> >>>>> Date: Thursday, August 25, 2016, 9:07 PM >>>>> >>>>> Best I can come up with >>>>> is >>>>> >>>>> {."1 >>>>> ((] , -. {~ {.@I.@(-. +./"1@e. {:@]))^:(<:@#@[) ,:@{.) >>>>> edges >>>>> 1 3 17 18 18 20 20 21 22 14 15 16 23 >>>>> 26 25 13 12 11 11 10 9 7 6 5 4 2 >>>>> >>>>> Change {.@I. to {:@I. if you want things >>>>> in the other order. >>>>> >>>>> -- >>>>> 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 >>>> ---------------------------------------------------------------------- >>>> 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
