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MathGroup Archive 1998

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Re: How to draw an ellipse?

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  • Subject: [mg10406] Re: How to draw an ellipse?
  • From: (Murray Eisenberg)
  • Date: Mon, 12 Jan 1998 04:10:51 -0500
  • Organization: University of Massachusetts, Amherst
  • References: <694b5p$>

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. --

Try, for example:

   a = 3; b = 2;
   ParametricPlot[{a Cos[t], b Sin[t]}, {t, 0, 2 Pi}];

  Murray Eisenberg                       Internet:
  Mathematics & Statistics Dept.            Voice:  413-545-2859 (W)
  University of Massachusetts                       413-549-1020 (H)
  Amherst, MA 01003                           Fax:  413-545-1801

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