Notes on machine learning, robots, and whatever else ends up on the whiteboard.https://jirachi.ai/https://jirachi.ai/posts/why-gradient-descent-zigzags/https://jirachi.ai/posts/why-gradient-descent-zigzags/A whiteboard-sized note on conditioning, with a toy you can poke at.Sat, 03 Oct 2026 00:00:00 GMT