Why is the obverse of gamma, ungamma, and obversely?
On Tue, Jul 10, 2012 at 11:16 AM, Raul Miller <rauldmil...@gmail.com> wrote: > Here's an implementation: > > gamma=: ([: ; <@(#&1@#, 0:, ])@}.@#:"0) :. gamma > > ungamma=:3 :0 :. ungamma > r=. i. 0 > while. #y do. > len=. y i. 0 > r=. r, #. 1, len {. (1+len) }. y > y=. (1+2*len) }. y > end. > r > ) > -- (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm