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MathGroup Archive 2007

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Re: Mathematica v6: Slower in the following fields

  • To: mathgroup at smc.vnet.net
  • Subject: [mg75771] Re: Mathematica v6: Slower in the following fields
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 10 May 2007 05:14:02 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <f1s1fa$fbo$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de

Hi,

don't use DensityPlot[] or ContourPlot[] in V6 with image data,
use ArrayPlot[] or make a correct Graphics[Raster[__],___]
structure.

Regards
   Jens

alexxx.magni at gmail.com wrote:
> I installed v6, but had to return to 5.2 since  - for some works I was
> doing - the new version has become unacceptably slow. Now I changed my
> mind and I keep both versions on, depending on what I have to do.
> 
> I'd like to start this thread to see people post their observations
> about what has become slower in v6 - and of course what is faster too!
> 
> e.g. some posts ago I saw somebody having problems with eigenvalues
> calculations.
> 
> My problems, just to start, relate to graphics. Dealing with large
> images with ListContourPlot, for example, is really slower (had to
> kill the calculation). And ListDensityPlot is barely acceptable.
> 
> So... please, add your experience here!
> 
> Alessandro Magni
> 
> 


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