Here is another WOW ! f=: 13 :'x*y' f * f/1 2 3 4 5 6 7 5040 */1 2 3 4 5 6 7 5040 !7 5040
Sometimes the little surprises are amazing. Now how about Fibonacci ---- Linda -----Original Message----- From: programming-boun...@jsoftware.com [mailto:programming-boun...@jsoftware.com] On Behalf Of Björn Helgason Sent: Tuesday, January 03, 2012 5:50 AM To: Programming forum Subject: Re: [Jprogramming] Binary representation without #: or #. f/ 5 4 3 2 1 x 2 y 1 x 3 y 2 x 4 y 6 x 5 y 24 120 2012/1/2 Kip Murray <k...@math.uh.edu> > Linda, Björn has a wonderful answer for your problem as I understood it. > Here is another example. Suppose > > f =: 4 : 'x * y' > > Then f/ 5 4 3 2 1 is 5 f 4 f 3 f 2 f 1 so > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm