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Article #33786

Musical output from numerical simulations

#33786
From: Henry Greenside
Date: Wed, 26 Oct 1988 22:10
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For a demo as part of a nonlinear dynamics course, I
would like to write a LSC application that would
integrate ordinary differential equations that have
chaotic behavior (e.g., the 3-variable Lorenz
equations) and present the output (value of x(t), y(t),
z(t)) as musical tones. The integration of o.d.e.s is
easy, the translation into sound is not.

Alternatively, you can imagine having time series
consisting of floating point numbers at equal intervals
of time. One would like to map the range of the time
series into the range of audible frequencies and
"listen" to the output, with possibly multiple voices
(several time series played at once).

As a complete beginner with little understanding of the
Macintosh interface, I was wondering if anyone out
there in netland has done something like this and could
send me some source code to imitate? Any pointers or
tricks to watch out for?

	Henry Greenside
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Path: arc1-ca.pugleaf.net!utzoo!yunexus!geac!syntron!jtsv16!uunet!peregrine!elroy!ames!mailrus!iuvax!rutgers!mcnc!duke!romeo!hsg
From: hsg@romeo.cs.duke.edu (Henry Greenside)
Newsgroups: comp.sys.mac
Subject: Musical output from numerical simulations
Keywords: musical output, numerical simulations, LSC
Message-ID: <12689@duke.cs.duke.edu>
Date: 26 Oct 88 22:10:13 GMT
Article-I.D.: duke.12689
Sender: news@duke.cs.duke.edu
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