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Article #846Re: Fit a circle to (x,y) datapoints?
From: William B Dwinnell
Date: Tue, 26 Jan 1993 19:20
Date: Tue, 26 Jan 1993 19:20
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I don't know much about SAS, nor how much coding you could do in it, but fitting a circle to a set of data points would be trivial for a genetic algorithm. Frankly, I don't understand why GA's aren't used more often, especially as they are limited by the weaknesses of least-squared error systems. Anyway, I'd specify the circle as x and y of the center, and r, the radius.
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Path: arc1-ca.pugleaf.net!sparky!uunet!opl.com!hri.com!ukma!cs.widener.edu!dsinc!pitt.edu!wbdst From: wbdst+@pitt.edu (William B Dwinnell) Newsgroups: sci.math.stat Subject: Re: Fit a circle to (x,y) datapoints? Message-ID: <2561@blue.cis.pitt.edu> Date: 26 Jan 93 19:20:20 GMT References: <1993Jan26.141416.13815@galen.physiol.ox.ac.uk> Sender: news+@pitt.edu Organization: University of Pittsburgh Lines: 7