Painful lesson of the day: whenever you want to find a stationary point of a function, first make sure to study thoroughly whether you want to find a minimum, a maximum, or a saddle point.

This will probably spare yourself some time trying to minimize a function that has a saddle point but no minimum.

(yes, that's what just happened to me, and I won't tell you how much time I spent on it for it is way too long)

Imagine being a top mathematician working on number theory, continued fractions, and stochastic processes, and only being remembered because of dumb chatbots. #markov

Complaining about computers Show more

PhD student in LIRIS, Université Lyon 1, France

Interested in optimal transport and lambda-calculus

Joined Apr 2018