Re: Shade area between two polar curves
- To: mathgroup at smc.vnet.net
- Subject: [mg100173] Re: [mg100154] Shade area between two polar curves
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Wed, 27 May 2009 04:06:38 -0400 (EDT)
- Reply-to: hanlonr at cox.net
Show[{
RegionPlot[
Sqrt[x^2 + y^2] < 1 + 2 x/Sqrt[x^2 + y^2] &&
x^2 + y^2 > 4,
{x, -.5, 3}, {y, -2, 2},
PlotPoints -> 30],
PolarPlot[{1 + 2 Cos[t], 2},
{t, 0, 2 Pi}]},
PlotRange -> All,
AspectRatio -> 4/5,
ImageSize -> 500]
Bob Hanlon
---- Chee Lim Cheung <CheeLC at sp.edu.sg> wrote:
=============
Hi All
I have plotted two graphs using PolarPlot, namely the limacon r=1+2 cos(t)
and the circle r = 2 from t = 0 to t = 2 Pi. and I wish to shade the area
inside the limacon but outside the circle. Can anyone suggest a way to do
it?
--
Bob Hanlon