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MathGroup Archive 2003

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Re: Bug in ColorFunctionScaling ???

  • To: mathgroup at
  • Subject: [mg39399] Re: Bug in ColorFunctionScaling ???
  • From: Jens-Peer Kuska <kuska at>
  • Date: Fri, 14 Feb 2003 03:18:01 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <b2fqud$k9q$>
  • Reply-to: kuska at
  • Sender: owner-wri-mathgroup at


and you don't like


and you don't like



Cesar Guerra wrote:
> Hi math group
> working with the matrix given at the end of this mail I had troubles trying to visualize it. For instance
> ListDensityPlot[matrix]
> works too bad as can be seen using a 3D chart
> <<Graphics`Graphics3D`
> BarChart3D[matrix]
> I got the correct density plot when I scaled the matrix elements by hand:
> min = Min[matrix];
> max = Max[matrix];
> ListDensityPlot[matrix,ColorFunctionScaling->False,ColorFunction->(GrayLevel[(#-min)/(max-min)]&)];
> The question: is it a bug or I lost something in the way? A similar problem arises with many matrices that I generated in which there are many numbres close to zero.
> Regards.. Cesar,
> Well here is the matrix. Sorry because of the horrible format

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