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MathGroup Archive 2002

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Re: ParametricPlot Question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg37172] Re: ParametricPlot Question
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Tue, 15 Oct 2002 04:17:43 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <ao8p0o$bp5$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

ff[t_] := {Sin[t], Cos[t]}
ParametricPlot[Evaluate[ff[t]], {t, 0, 2Pi}, Epilog ->
    {PointSize[0.025], (Point[ff[#]] & /@ Table[phi, {phi, 0, 2Pi,
Pi/4}])}]

Regards
  Jens

Charles Morgan wrote:
> 
> I would like to mark representative samples of t on a parametric plot,
> where t is the third parameter.  For example, how could I mark the 8
> values t=0, t=Pi/4, ..., t=7Pi/4  on the plot generated by:
> ParametricPlot[{Sin[t],  Cos[t]}, {t, 0, 2Pi}]
> 
> Thanks


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