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MatrixPlot: color scale

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  • Subject: [mg92937] MatrixPlot: color scale
  • From: Franco Milicchio <franco.milicchio at>
  • Date: Mon, 20 Oct 2008 07:34:52 -0400 (EDT)

Hi everyone!

I really enjoy some of the features that Mathematica provides, like  
this cool MatrixPlot function: it's overwhelmingly useful when dealing  
with very large system of equations. Anyway, when trying to visualize  
one, I'd need a color scale in order to provide a "legend".

I tried some hacks, like creating a new vector with the Union[] of  
coefficient, then Sort[]'ed, and put aside a grid with minimum/maximum  
values. Well, it doesn't do the job very well, in fact, I'd need also  
some intermediate values, but it's not as easy as it seems (text  
position, font sizes not matching other parts of MatrixPlot[]'s  

Is there a simple way to get a "color map legend" somehow?


Franco Milicchio <franco.milicchio at>

DiS - Dept. of Studies on Structures
DIA - Dept. of Computer Science and Engineering
University Roma Tre

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