Re: [Maxima-discuss] How do I do just the first half of "plotting contour levels"?

[Michel T. <ta...@lp...>]

Le 18/11/2022 à 04:07, Eduardo Ochs a écrit :
> Hi list,
>
> a few days ago I had to draw some level curves of
>
>    F(x,y) := 2*x^2  - x*y - y^2;


gnuplot can do that by itself.  See

https://gnuplot.sourceforge.net/demo_5.4/contours.html



-- 
Michel Talon