logbookhttps://geetansh.tech/2026-11-05T00:00:00.000Z Geetansh Jangidnotes, research, and technical observations by geetansh jangid. The Equations of Diffusion, Written Out in Full https://geetansh.tech/logbook/the-equations-of-diffusion/ 2026-11-05T00:00:00.000Z 2026-11-05T00:00:00.000Z A slow walk through the mathematics of denoising diffusion, from the forward chain to the score function and the reverse SDE. Understanding Large Language Models https://geetansh.tech/logbook/understanding-llms/ 2026-11-04T00:00:00.000Z 2026-11-04T00:00:00.000Z A starting point for exploring the systems behind modern language models. Building a Personal Site with Astro https://geetansh.tech/logbook/building-a-personal-site-with-astro/ 2026-10-28T00:00:00.000Z 2026-10-28T00:00:00.000Z Why a static, Markdown-first publication is still the most durable way to own your writing. The Linux Toolbox I Actually Use https://geetansh.tech/logbook/the-linux-toolbox/ 2026-10-14T00:00:00.000Z 2026-10-20T00:00:00.000Z A short list of command-line tools that have survived years of habit. Notes on Attention Mechanisms https://geetansh.tech/logbook/notes-on-attention-mechanisms/ 2026-09-30T00:00:00.000Z 2026-09-30T00:00:00.000Z A working intuition for queries, keys, values, and why attention replaced recurrence. Why I Write in Markdown https://geetansh.tech/logbook/why-i-write-in-markdown/ 2026-09-12T00:00:00.000Z 2026-09-12T00:00:00.000Z Plain text is the only format I trust to survive a decade of tool changes. A Weekend with a Raspberry Pi https://geetansh.tech/logbook/a-weekend-with-a-raspberry-pi/ 2026-08-22T00:00:00.000Z 2026-08-22T00:00:00.000Z Turning a small single-board computer into a useful home service, and the lessons that came with it. Reading Code You Didn't Write https://geetansh.tech/logbook/reading-code-you-didnt-write/ 2026-07-18T00:00:00.000Z 2026-07-18T00:00:00.000Z A practical routine for getting oriented in an unfamiliar codebase without pretending to understand it all.