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Recently, I did a small exploration of the areas of rectangles and squares with my 7-year-old kid who loves learning about math. Here we consider rectangles with two positive integer side lengths, a and b. The area of a rectangle is A = a*b, and its circumference is C=2a+2b. Together, we computed A for various a and b with increasing square side s.

I will do this years Advent of Code 2023 in vanilla (only included libraries) python 3.11. I've joined the challenge a few times before - but never finished. Let's see how many days I manage this round :D

I was asked to speed the inner loop that runs many times inside a Markov Chain Monte Carlo problem. This post is about different approaches to improving performance. Possibly, some insights here are applicable beyond the details of the specific problem.

I will do this years Advent of Code 2022 in vanilla (only included libraries) python 3.11. I've joined the challenge a few times before - but never finished. Let's see how many days I manage this round :D

A fish tile is formed by two equilateral pentagons - the regular pentagon head, and the pentagonal crescent tail. It is remarkably fun to play with!