Functions of two variables can be visualized in many ways: heat maps in 2D, contour curves in 2D, wireframes in 3D, surfaces in 3D. We begin by defining a function of two variables, building an array ...
In our last installment, we introduced gnuplot, which is a standalone, language-agnostic plotting and analysis system. If you're using Python for data analysis, science, or statistics—or if you are ...