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Re: Mathematica 6: No more memory available problem with

  • To: mathgroup at smc.vnet.net
  • Subject: [mg88912] Re: Mathematica 6: No more memory available problem with
  • From: ucervan at gmail.com
  • Date: Wed, 21 May 2008 14:49:29 -0400 (EDT)
  • References: <g0rlse$eli$1@smc.vnet.net> <g0tqsg$mi1$1@smc.vnet.net>

Try this:

d = RandomReal[{0, 1}, {78, 20003}];

ListDensityPlot[d, PerformanceGoal -> "Speed"]

ListPlot3D[d, PerformanceGoal -> "Speed"]

Mathematica deals with large data sets by downsampling, using the
MaxPlotPoints option. PerformanceGoal->"Speed", will use a very simple
plotting code to give a draft representation of the data (no mesh
lines, no RegionFunction, etc.).

This also works, although it may take a little bit longer, around 20
sec on my mac book pro with 2Gig RAM:

ListDensityPlot[d, PerformanceGoal -> "Speed",
 MaxPlotPoints -> Infinity]


or even:

ListPlot3D[d, PerformanceGoal -> "Speed", MaxPlotPoints -> Infinity]


Mathematica is a very good tool to visualize large data sets.

Ulises Cervantes
Wolfram Research, Inc.





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