Regular contours can be returned as NumPy arrays or as Shapely LineStrings and LinearRings. Filled contours can be returned as NumPy arrays or as Shapely Polygons. Contour calculation without plotting ...

Just a couple of physics notes: I wrote r as a scalar. This is the magnitude of the vector r.; The 1 over 4πε 0 is just a constant.; Electric potential is a scalar quantity, not a vector.

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The python-matplotlib-doc package also includes extra documentation for matplotlib. Like other large Python modules, matplotlib is broken down into several sub-modules. Let's start with pyplot. ... If ...