great minds ....
> -----Original Message----- > From: [email protected] [mailto:programming- > [email protected]] On Behalf Of Aai > Sent: donderdag 15 januari 2015 15:07 > To: [email protected] > Subject: Re: [Jprogramming] Kolakosky sequence > > Probably identical to what you have: > > (# 2 1$~#)^:(40) 2 > > > > R.E. Boss schreef op 15-01-15 om 13:03: > > K=. 2 2 1 1 2 1 2 2 1 2 2 1 1 2 1 1 2 2 1 2 1 1 2 1 2 2 1 1 2 1 1 2 1 2 2 1 > > 2 2 1 1 2 1 2 2 1 2 1 1 2 1 1 2 2 1 2 2 1 1 2 1 2 2 1 2 2 1 1 2 1 1 2 1 2 2 > > 1 2 1 1 2 2 1 2 2 1 1 2 1 2 2 1 2 2 1 1 2 1 1 2 2 1 2 1 1 2 1 2 2 1 2 2 1 1 > > is the start of a sequence where each i-th number gives the length of the > > i-th substring of equal numbers. > > Or in J > > (}:#;.(2)~ 2~:/\]) K > > 2 2 1 1 2 1 2 2 1 2 2 1 1 2 1 1 2 2 1 2 1 1 2 1 2 2 1 1 2 1 1 2 1 2 2 1 2 2 > > 1 1 2 1 2 2 1 2 1 1 2 1 1 2 2 1 2 2 1 1 2 1 2 2 1 2 2 1 1 2 1 1 2 1 2 > > > > (Partial) equality from > > ((]-: ({.~ #)) }:#;.(2)~ 2~:/\]) K > > 1 > > > > I do have a way to generate them (not by hand), but what are other ways? > > Elegant and lean svp. > > > > The first 21717701 items I generated in > > ts 'genREB 2' > > 0.9922127 8.0530995e8 > > > > > > R.E. Boss > > > > > > ---------------------------------------------------------------------- > > For information about J forums see > http://www.jsoftware.com/forums.htm > > -- > Met vriendelijke groet, > @@i = Arie Groeneveld > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
