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MathGroup Archive 1998

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Re: How to draw an ellipse?


  • To: mathgroup@smc.vnet.net
  • Subject: [mg10362] Re: How to draw an ellipse?
  • From: Paul Abbott <paul@physics.uwa.edu.au>
  • Date: Mon, 12 Jan 1998 04:09:57 -0500
  • Organization: University of Western Australia
  • References: <694b5p$kjs@smc.vnet.net>

Krishnan Jayakrishnan wrote:

> Does any one know how to construct an ellipse? For example an ellipse
> centered at (0,0) with intercepts at (-a,0,(a,0),(0,-b),(0,b) with
> parametric equation
> x(t) = a*cos(t)
> y(t) = b*sin(t)
> with t increasin from 0 to 2pi radians.

For a ->2 and b -> 3, 

 ParametricPlot[{2 Cos[t],3 Sin[t]},{t,0,2Pi},AspectRatio->Automatic]

Cheers,
	Paul 
____________________________________________________________________ 
Paul Abbott                                   Phone: +61-8-9380-2734
Department of Physics                           Fax: +61-8-9380-1014
The University of Western Australia            Nedlands WA  6907       
mailto:paul@physics.uwa.edu.au  AUSTRALIA                            
http://www.pd.uwa.edu.au/~paul

            God IS a weakly left-handed dice player
____________________________________________________________________



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