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Re: Why don't my plots appear? My 5.2 code no longer works correctly

• To: mathgroup at smc.vnet.net
• Subject: [mg89362] Re: Why don't my plots appear? My 5.2 code no longer works correctly
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Sat, 7 Jun 2008 02:58:09 -0400 (EDT)
• References: <g2b4nj$nlf$1@smc.vnet.net>

Hi,

it is hard to answer without a single example.

a) remove the semicolons
b) use Print[Plot[__]] instead of Show[Plot[__]]

Regards
   Jens

Charlie Brummitt wrote:
> Hello,
> I am running into difficulties with Plot. Some code of mine that worked in
> 5.2 no longer works correctly in 6.0.2.0. Specifically, no plots appear
> whenever Plot (or Plot3D or DensityPlot or ListPlot) is called within a
> function that I have defined.
> 
> Here is a closely related question: What does the red semicolon ";" mean at
> the end of "Plot[ ... ];"? Why is it red? In 5.2, placing a semicolon at the
> end of Plot[] allowed me to output a plot in the middle of a computation,
> without halting the computation. Now I can no longer seem to output a plot
> in the middle of a long computation. (I only see the output of Print[]
> commands.) I must be able to see these plots during long computations, like
> I was able to in 5.2.
> 
> What's wrong? Can anyone please help?
> 
> Thanks,
> 
> Charlie
> 
>