[pstricks] Plotting Equations

Hensh, Richard hensh at math.msu.edu
Wed Oct 10 22:53:23 CEST 2007

Can PSTricks be used to sketch the graph of an equation? For example,

        x^2 - xy + y^2 = 7

Using Mathematica, I was able to use the ContourPlot function to sketch the graph and then import the object, but I prefer self-contained solutions whenever possible.


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