I agree with you that better names are always preferable. But type hints also work as documentation. We can have both. However, in this particular case the und

I agree with you that better names are always preferable. But type hints also work as documentation. We can have both. However, in this particular case the undescriptive names are like this for historical reasons. I agree these are not the best names, but are the names used in the literature. If I was working in a physics I would probably use "c" as the speed of light or "kb" as the Boltzmann constant, which are non very descriptive names.