The text of "Life: Nasty, Brutish, and Short" can be found at http://www.jsoftware.com/jwiki/Doc/Life
----- Original Message ----- From: Eugene McDonnell <[EMAIL PROTECTED]> Date: Wednesday, March 7, 2007 10:24 pm Subject: Re: [Jgeneral] Feb 2007 issue of Dr Dobbs > > On Mar 7, 2007, at 7:57 AM, ramacd wrote: > > > The article "Life: nasty, Brutish and Short" by(?) Eugene > > McDonnell, in an > > old Quote Quad, I think, gives many one-liners as well. IIRC, it > > > uses the > > Sharp APL cut operator, which is very similar to the ;. > conjunction > > in J. > > This separates out the 3 3 subarrays, and you can just apply the > > > life/death > > verb to each subarray. > > The APL88 Conference Proceedings (Sydney, Australia; APL Quote > Quad, > 18.2, December 1987) has my discussion of a "Life: Nasty, Brutish > and > Short" solution to the game of life program problem [pp 242-247], > with thanks to Donald Knuth and Roger Hui. The final N,B and S > solution uses just 9 tokens. > > Is it really 19 years since I wrote it? It was lots of fun. > > Eugene ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
