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- Newsgroups: sci.fractals
- Path: sparky!uunet!boulder!tramp.Colorado.EDU!gordon
- From: gordon@tramp.Colorado.EDU (GORDON ALLEN R)
- Subject: Re: Lorenz' Weather
- Message-ID: <gordon.721582896@tramp.Colorado.EDU>
- Sender: news@colorado.edu (The Daily Planet)
- Nntp-Posting-Host: tramp.colorado.edu
- Organization: University of Colorado, Boulder
- References: <1992Nov11.230938.12710@ncsu.edu>
- Date: 12 Nov 92 15:41:36 GMT
- Lines: 23
-
- mrmarcel@eos.ncsu.edu (MICHAEL RONN MARCELAIS) writes:
-
- >Does anybody have the equations that Lorenz used in his old weather program?
- >It was the first time he noticed the 'sensitive to initial conditions'
- >phenomenon that started research into Chaos. The program is mentioned in the
- >_Chaos_ book by Gleich (i think) but not the equations.
-
-
-
- dX/dt = a(Y-X)
- dY/dt = bX-Y-XZ
- dZ/dt = XY - cZ
-
- where a = 10
- c = 8/3
- b = control parameter (try 28)
-
-
- --
- Allen Gordon *If the folly of but one of us was changed to*
- Research Associate *intelligence, and divided amongst a thousand*
- gordon@tramp.colorado.edu *toads, each would be more intelligent than *
- *Aristotle *
-