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Article 6 of comp.sources.amiga:
Path: fishpond!mcdphx!asuvax!cs.utexas.edu!uunet!abcfd20.larc.nasa.gov!amiga-request
From: amiga-request@abcfd20.larc.nasa.gov (Amiga Sources/Binaries Moderator)
Newsgroups: comp.sources.amiga
Subject: v90i225: BlitterSand - cellular automaton model of self organized criticality, Part01/01
Message-ID: <comp.sources.amiga:v90i225@abcfd20.larc.nasa.gov>
Date: 15 Aug 90 01:04:37 GMT
Reply-To: michael creutz <creutz@max.bnl.gov>
Lines: 1107
Approved: tadguy@uunet.UU.NET (Tad Guy)
X-Mail-Submissions-To: amiga@uunet.uu.net
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Submitted-by: michael creutz <creutz@max.bnl.gov>
Posting-number: Volume 90, Issue 225
Archive-name: examples/blittersand/part01
[ uuencoded executable and icons enclosed ...tad ]
This program simulates the cellular automaton model presented
by P. Bak, C. Tang, and K. Wiesenfeld (Phys. Rev. Lett. 59, 381 (1987);
Phys. Rev. A38, 364 (1988)) to illustrate self organized criticality.
Each site carries a positive integer representing the local slope of
a sandpile. If the slope exceeds 3, the site is unstable and on
updating it drops by 4, adding one to each of his neighbors.
Sand is lost only at the edges. Any state will relax to stability
through such sand loss.
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