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MathGroup Archive 2002

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Re: ParametricPlot Question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg37145] Re: [mg37135] ParametricPlot Question
  • From: BobHanlon at aol.com
  • Date: Sun, 13 Oct 2002 05:56:28 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

In a message dated 10/12/2002 5:21:23 AM, charlesmorgan at attbi.com writes:

>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}]
>

ParametricPlot[{Sin[t], Cos[t]}, {t, 0, 2Pi}, 
    AspectRatio -> Automatic,
    Epilog -> {AbsolutePointSize[5], 
        RGBColor[1, 0, 0], 
        Table[Point[{Sin[t], Cos[t]}], 
          {t, 0, 7Pi/4, Pi/4}]}];


Bob Hanlon


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