Re: Lines in ContourPlot
- To: mathgroup at smc.vnet.net
- Subject: [mg41757] Re: Lines in ContourPlot
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 4 Jun 2003 08:34:40 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <bb73h3$b7s$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
Solve[a(a - 1)(a - 2) - 2b(b - 1)(b - 2) == 0, b] // FullSimplify
or graphical:
line = Cases[
Graphics[ContourPlot[
a(a - 1)(a - 2) - 2b(b - 1)(b - 2), {a, 2, 20}, {b, 2, 20},
PlotPoints -> 100, Contours -> {0},
DisplayFunction -> Identity]], _Line, Infinity];
??
Regards
Jens
Friedrich Laher wrote:
>
> would it be possible to get a "line" for the zerovalues in the following?
> ContourPlot[a(a - 1)(a - 2) - 2b(b - 1)(b - 2), {a, 2, 20}, {b, 2, 20},
> PlotPoints -> 100]