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MathGroup Archive 2007

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Re: How to draw closed curve with ListPolarPlot?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg81076] Re: How to draw closed curve with ListPolarPlot?
  • From: Bill Rowe <readnewsciv at sbcglobal.net>
  • Date: Mon, 10 Sep 2007 18:58:25 -0400 (EDT)

On 9/9/07 at 6:19 AM, forgalaxia at gmail.com (Galaxia) wrote:

>I have a set of {theta, r} (say, size n), and want to plot them with
>ListPolarPlot. I want the first and last points are connected to get
>a closed curve. How can I do it?

All you need do is append the first point in you data set to the
end of the data set, i.e.,

data = RandomReal[{0, 1}, 50];
ListPolarPlot[Join[#, {First@#}] &@data, Joined -> True]

will produce a closed curve
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