Yes. See https://en.wikipedia.org/wiki/Two's_complement for some discussion of this issue.
Thanks, -- Raul On Fri, Nov 10, 2017 at 6:38 AM, Erling Hellenäs <[email protected]> wrote: > Hi all! > > Is this correct? > > (64$2)#:_9 > 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 > 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 > #:_9 > 0 1 1 1 > > This is Beta-6. > > Cheers, > > Erling Hellenäs > > > Den 2017-11-08 kl. 16:04, skrev Jimmy Gauvin: >> >> HI Skip, >> >> It was in august , >> >> >> Arie >> >> Groeneveld >> : >> http://jsoftware.com/pipermail/programming/2017-August/048293.html >> >> Start of thread : >> http://jsoftware.com/pipermail/programming/2017-August/048275.html >> >> >> PS The J Forum archive is a real gold mine >> >> >> >> On Wed, Nov 8, 2017 at 2:17 AM, 'Skip Cave' via Programming < >> [email protected]> wrote: >> >>> Jimmy, >>> >>> Can you give me the link to the topic on the J programming forum where >>> >>> Arie >>> Groeneveld and others discuss verbs that perform all permutations of x >>> size >>> taken from y items. >>> >>> You stated that Arie came up with this solution: >>> vari =: 4 :'y,/@:(],"1 0 -."1)^:(x-1) ,.y' >>> >>> I would like to see others' solutions to that same problem. >>> >>> Skip >>> >>> >> ---------------------------------------------------------------------- >> 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
