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MathGroup Archive 1998

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Re: ParametricPlot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg14531] Re: [mg14492] ParametricPlot
  • From: "Jens-Peer Kuska" <kuska at linmpi.mpg.de>
  • Date: Thu, 29 Oct 1998 04:33:27 -0500
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Peter,

ParametricPlot3D has the HoldAll attribute.  So Mathematica try to
compile eigth[t] and find no instructions for the Mathematica compiler
that handels your function. Try 

ParametricPlot3D[Evaluate[eight[t]],__]

and Your function is expanded to the list. 

Hope that helps,
  Jens

-----Original Message-----
From: Peter <phuesser at bluewin.ch>
To: mathgroup at smc.vnet.net
Subject: [mg14531] [mg14492] ParametricPlot


>I have the following defintion in Mathematica notebook (version 3.01 for
>Mac):
>
>eight[t_]:={Sin[t],Sin[t] Cos[t]}
>
>Trying to plot this by executing
>
>ParametricPlot[eight[t],{t,0,2 Pi}];
>
>produces the right graphic but also an warning:
>
>ParametricPlot::"ppcom": "Function eight[t] cannot be compiled; plotting
>will proceed with the uncompiled function."
>
>What is wrong ?
>
>Email: phuesser at bluewin.ch
>
>
>



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