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Re: Strange Manipulate+ContourPlot behavior

• To: mathgroup at smc.vnet.net
• Subject: [mg82064] Re: Strange Manipulate+ContourPlot behavior
• From: Will Robertson <wspr81 at gmail.com>
• Date: Thu, 11 Oct 2007 00:16:51 -0400 (EDT)
• References: <fei3de$qn1$1@smc.vnet.net>

On Oct 10, 5:44 pm, Yaroslav Bulatov <yarosla... at gmail.com> wrote:
> Manipulate[
>  ContourPlot[(
>   b (a - a p + b p))/(-2 a b (-1 + p) + a^2 p + b^2 p), {a, 0, 1}, {b,
>     0, 1}], {p, 0, 1}]

That is weird. Sticking in an Evaluate[] around the expression fixes
the problem -- until the slider is first moved. I guess I'd just
recommend avoiding p = 0 ... :)

Will

• Follow-Ups:
  • Re: Strange Manipulate+ContourPlot behavior
    • From: Yaroslav Bulatov <yaroslavvb@gmail.com>
  • Re: Re: Strange Manipulate+ContourPlot behavior
    • From: Syd Geraghty <sydgeraghty@mac.com>