Some old math videos
This set of videos were created using Theano (just for the optimization of computations) for a small talk on PDEs on curved spaces.
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Numerical solution of the geodesic equation of the Schwarzschild metric
sympy is a great tool for symbolic computations developed in Python. It has a module for differential geometry that allows you to compute some of the important objects as the Christoffel symbols and curvature objects. I wanted to give it a try and I created a jupyter notebook with a simple test using the Schwarzschild metric and numerically computing some geodesics.