In Python, we can use either the manual approach (create a matrix of dummy variables ourselves) or the automatic approach (let the algorithm sort it out behind the scenes). I am partial to the manual ...

If you want, for instance, to generate a matrix populated with random numbers, you can do that in a fraction of the time it would take in conventional Python. Still, there are times when even ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...