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MathGroup Archive 2009

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Re: tooltip - evaluate function at point

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98731] Re: tooltip - evaluate function at point
  • From: Peter Breitfeld <phbrf at t-online.de>
  • Date: Fri, 17 Apr 2009 04:28:10 -0400 (EDT)
  • References: <gs6pjo$h7i$1@smc.vnet.net>

"Cristina Ballantine" wrote:

> I would like to plot the solutions to an equation using ContourPlot and 
> add a tooltip that evaluates a different function at the points on the 
> solution. In particular, for the plot
>
> ContourPlot[Arg[Gamma[x + I*y]] == 0, {x, -10, 10}, {y, -10, 10}, PlotPoints -> 20]
>
> when the cursor is over a solution point I would like the ToolTip to 
> display the value of Gamma at that point. Is this possible? If so, any 
> suggestion is greatly appreciated. 
>
> Cristina
>

Do you want something like this:

ContourPlot[
 Tooltip[Arg[Gamma[x + I y]] == 0, ToString[N[Gamma[x + I y]]]],
 {x, -10, 10}, {y, -10, 10},  PlotPoints -> 20]

-- 
_________________________________________________________________
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de


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