{gnuplot} Gnuplot is a portable command-line driven graphing utility for Linux, OS/2, MS Windows, OS X, VMS, and many other platforms.

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Plotting an implicit function using TikZ

How could one plot an implicit function, like (x^2+y^2)^3-4x^2y^2 using TikZ? I know gnuplot supports them, but they are drawn using a surface built from the function and intersecting the result with ...
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How to rotate a LaTeX ylabel in gnuplot?

I would like the ylabel on a gnuplot to be the same as $\omega_2(R_{3,n})$ appears in LaTeX. But if I use the following, it overlaps with the plot itself. set ylabel "\\omega_2(R_{3,n})" One way ...