Re: PolarPlot

*To*: mathgroup at smc.vnet.net*Subject*: [mg87553] Re: [mg87484] PolarPlot*From*: "W_Craig Carter" <ccarter at mit.edu>*Date*: Sat, 12 Apr 2008 07:04:01 -0400 (EDT)*References*: <200804110547.BAA04985@smc.vnet.net>

Dear Bruce, It doesn't appear that you are plotting what you say you wish to. If I understand correctly, you are asking for a = 2; PlotPlot[4 a^2 Cos@theta, {theta, 0, 2 Pi}] In your example, you are plotting two radial functions. Perhaps you were thinking of ParametricPlot? On Fri, Apr 11, 2008 at 1:47 AM, Bruce Colletti <vze269bv at verizon.net> wrote: > Re 6.0.2 under WinXP. > > I'm using the command below to plot the polar equation r^2 = 4a^2 > Cos@theta. Is there a better way? Thankx. > > Bruce > > PolarPlot[{2 a Sqrt[Cos@t], -2 a Sqrt[Cos@t]}, {t, 0, 2 \[Pi]}, > PlotRange -> 7] > > -- W. Craig Carter

**References**:**PolarPlot***From:*Bruce Colletti <vze269bv@verizon.net>