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Re: parametric plot and filling

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131561] Re: parametric plot and filling
  • From: Bob Hanlon <hanlonr357 at gmail.com>
  • Date: Sun, 1 Sep 2013 03:16:37 -0400 (EDT)
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The approach recommended by Roland Franzius works for your example:


ParametricPlot[{Cos[x], Sin[x^2]},
 {x, 0, Pi}]


ListLinePlot[
 Table[{Cos[x], Sin[x^2]},
  {x, 0, Pi, Pi/64}],
 AspectRatio -> 1,
 Filling -> {1 -> {0, {White, LightBlue}}}]



Bob Hanlon




On Sat, Aug 31, 2013 at 8:15 AM, Francisco Gutierrez <fgutiers2002 at yahoo.com
> wrote:

>
> Many thanks to Helen Read, Craig Carter, Murray Eisenberg, Roland
> Franzius, Bob Hanlon, and other group members/gurus for their responses to
> my query. As always, a nice set of excellent solutions (for example
> Helen's), which corroborates
> how good a resource this group is. By now I think no more answers will
> come in.
>
> Indeed, as Murray Eisenberg notes, there are situations in which the
> filling option simply does not make sense. Even then, there are other
> situations where it does. Suppose you have the following curve:
>
>  ParametricPlot[{Cos[x],Sin[x^2]}, {x,0,Pi}]
>
>
> One could want to highlight the regions in which the curve goes above the
> x axis. Filling would come in handy there.
>
> Well, once again, thanks!
> Francisco
>
>


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