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Re: Plotting polar graph

  • To: mathgroup at smc.vnet.net
  • Subject: [mg92377] Re: Plotting polar graph
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Tue, 30 Sep 2008 07:33:29 -0400 (EDT)
  • References: <gbqctd$e9h$1@smc.vnet.net>

Hi,

en = DensityPlot[Sqrt[r]*Sin[theta/2], {r, 0, 10}, {theta, -Pi, Pi},
    ColorFunction -> (ColorData["Rainbow"][#] &), PlotPoints -> 36];

Show[den /.
   GraphicsComplex[pnts_, data__] :>
    GraphicsComplex[#[[1]]*{Cos[#[[2]]], Sin[#[[2]]]} & /@ pnts, data],
   PlotRange -> All]

??

Regards
   Jens

mikewinifred wrote:
> hi all ... i wanna plot a function
> 
> Sqrt[r]*Sin[theta/2]
> 
> in polar co-ordinates that will givva density plot like the one i gave the link below, in fact that is the plot for the same function mentioned above.Kindly someone tell me how to do it in mathematica ??
> 
> http://i37.tinypic.com/2na2vef.jpg
> 
> thx
> mike
> 


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