Script dependencies with Nix

kqr of Entropic Thoughts shows how to use a Nix flake on any Linux distribution to manage a simple script's dependencies, packaging a Python text-to-speech script as a binary and then adapting the approach to other languages.

Tutorial · Nix · Python · Programming

Monte-Carlo simulations

Eli Bendersky introduces Monte Carlo simulations, which apply randomness and the law of large numbers to scientific and engineering problems, through worked examples: estimating pi by throwing darts, a combinatorial simulation of the card game SET, and a retirement portfolio projection, with code.

Tutorial · Mathematics · Simulation · Programming · Python

Adding Floating-Point Decimals for Fun and Profit

A deep dive into representing and adding decimal numbers with binary floating point: rounding pitfalls, exact decimals that fit in floats, and practical tricks for money-like sums.

Tutorial · Programming · Math · Python

Making Hybrid Images

Jeremy Kun explains hybrid images, pictures that read differently up close and from afar, using Fourier analysis: an intuitive tour of the discrete Fourier transform, low- and high-pass Gaussian filtering, and Python code that blends Marilyn Monroe and Albert Einstein into one image, with ideas for further experiments.

Tutorial · Mathematics · Python · Graphics · Algorithms