Perhaps use the recursive definition; slower but possibly easiest to understand (you can sneak in an M. if you don't talk about computation speed).
fib=: 3 : 0 M. NB. 0-indexed if. y <: 1 do. y else. (fib y-1) + fib y-2 end. ) Louis > On 26 Feb 2017, at 20:37, Raul Miller <[email protected]> wrote: > > Then perhaps something like this: > > fib=:verb define > series=. 0 1 > needed=. >./, y > while. needed >: #series do. > series=. series, +/_1 _2 { series > end. > y { series return. > ) > > Thanks, > > -- > Raul > > > >> On Sun, Feb 26, 2017 at 1:42 PM, Linda A Alvord <[email protected]> >> wrote: >> I only know the one in my example. 1, 1, 2, 3, 5 ... >> Next tern us tge sum of the previous two or in this case 8. It an infinite >> series. >> >> Linda >> >> -----Original Message----- >> From: Programming [mailto:[email protected]] On >> Behalf Of Raul Miller >> Sent: Sunday, February 26, 2017 1:03 PM >> To: Programming forum >> Subject: Re: [Jprogramming] Explicit fib >> >> Which english definition of fibonacci's series are you working with? >> >> Thanks, >> >> -- >> Raul >> >> >> On Sun, Feb 26, 2017 at 12:48 PM, Linda A Alvord >> <[email protected]> wrote: >>> I have been working on finding an explicit definition for the Fibonacci >>> series. (without tie) >>> >>> >>> >>> fib 14 >>> >>> 5!:4 <'fib' >>> >>> load 'debug' >>> >>> dissect'fib 14' >>> >>> >>> >>> To see the dissection, place cursor on fib and click right mouse. >>> >>> >>> >>> I want a definition which will work for the youngest children. >>> >>> >>> >>> Thanks for any ideas. Linda >>> >>> ---------------------------------------------------------------------- >>> 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
