I was wondering whether there is any software for Linux which can plot functions with two variables (like f(x,y) = (x^2)+(y^2)^2)−((x^2)−(y^2)))? Thanks for your help
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Oops, forgot a few parentheses..f(x,y) = ((x^2)+(y^2)^2)−((x^2)−(y^2))
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