Suppose we have function 𝑓 given on an equidistant grid

and we want to compute the derivative of that function on the same grid. Last week, I have written some …

Wow, this is my 100th story! As a topic, I have chosen something about one of my favorite mathematicians… or should I say, physicists? I’m talking about Joseph-Louis Lagrange.

It’s …

Jupyter notebooks are a great tool for exploring ideas and for writing scientific or mathematical documents. But there is one thing that annoyed me all the time: there seemed to …

T he laws of nature are the fundamental principles that govern how things work in our universe. But there is one “law” that stands out from the others. In 1905, …

Recently I have found this article giving a nice first introduction of how to do differentiation numerically. But can you do it with more accuracy and in higher dimensions? Texts …