By "numerical," I mean that I'll create a python program that models the motion of light from A to B. I will then change the reflection point on the surface until I get the smallest travel time.

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 ...

One property of Python that causes a much larger problem is polymorphism. In this case, Python needs to check the operands of any operator or function to see what type it is, decide whether this ...