
From:  Muthiah Annamalai 
Subject:  Re: Folium of Descartes 
Date:  Thu, 15 Nov 2007 17:59:26 0600 
Useragent:  Thunderbird 2.0.0.6 (X11/20071022) 
Giovanni Lovato wrote:
Apparently the right (I dont have Matlab, so I assume here) way, to do this isHow can I draw the Folium of Descartes in Octave? In Matlab I did:f = sym('x^3x^2+y^2'); ezplot(f)Various Octave tutorials explain how to draw simple functions in one variable, but I can't find a way to draw functions in two (or more) variables. I'm a very newbie of Octave (and Matlab too), maybe it's silly questions  in this case, sorry :) Thanks in advance, G.L.
func = inline ( vectorize ( 'x^3x^2+y^2' ) ); y = linspace(2*pi, + 2*pi, 100); x = y; z = func(x,y); plot3 (x,y,z) On the other hand, I think its not too difficult to have Octave's own version of ezplot. Best, Muthu
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