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MathGroup Archive 2006

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Re: Re: Animation crash

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69599] Re: [mg69533] Re: Animation crash
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Sun, 17 Sep 2006 06:57:20 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

With n=400 and Mathematica 5.2.0.0, it ran on my single-user Mac OS 10.4.7 with 1.5 GB of RAM without a problem.


Bob Hanlon

---- ben <benjamin.friedrich at gmail.com> wrote: 
> This is an example of an animation that crashes my mathematica;
> it might be that my problem is related to the fact that I am working
> only a terminal sharing the server with 40 other people.
> This morning when server load was really low, mathematica
> did hang up, but I could still open a shell to kill it.
> 
> The delete key did not work.
> 
> Bye
> Ben
> 
> (* Rotating Helix *)
> 
> \[Gamma]={r Cos[s/Sqrt[r^2+h^2]-\[Omega] t],
>     r Sin[s/Sqrt[r^2+h^2]-\[Omega] t],
> h s/Sqrt[r^2+h^2]- vnet t }
> 
> (* Animation [Caution: can crash system] *)
> n:=100; (* try high values *)
> 
> Do[
>   ParametricPlot3D[
>     Join[
>         RotateLeft[
> 
> \[Gamma]/.{r\[Rule]1,h\[Rule]1,\[Omega]\[Rule]1,vnet\[Rule]0},
>           1],
>         {{Hue[s/20],Thickness[0.01]}}]//Evaluate,
>     {s,0,20},Axes->False],
>   {t,0,2 \[Pi],2 \[Pi]/n}]
> 
> Chris Chiasson schrieb:
> 
> > try using the delete key
> >
> > On 9/13/06, ben <benjamin.friedrich at gmail.com> wrote:
> > > Dear all,
> > >
> > > When I run animations in mathematica,
> > > it often hangs up with
> > > * playing the animation forever
> > > * allowing no keyboard input
> > > * restricting the mouse pointer to the area of the animation.
> > >
> > > In such a situation I don't even know how to kill mathematica.
> > >
> > > Is there a way to interupt the animations?
> > >
> > > Thanks
> > > Ben
> > >
> > >
> > 
> > 
> > -- 
> > http://chris.chiasson.name/
> 


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