PhysMath Hub

Friday. Trash. Rescue in Midair. It’s an ancient story. I probably read it sometime around 1993, and it’s probably apocryphal. It doesn’t matter. The storytelling is magnificent. A demonstration performance by parachutis

Plan: from school-level math to a March 2026 arXiv The stakes turned out to be higher than I expected. Our quiet little discussion of the Titanic dataset may have suddenly wandered into publication-level territory. You c

Quick recap: We have a model that gives scores of -1, 0, and 1. When we plot the ROC curve, we get a graph with 4 points and an AUROC of 56%.

Let’s rock ROC All this time, it bothered me that the ROC in [the post](<https://t.me/phys_math_dev/164>) contains only three points. I’ve been thinking about this situation for a while, and I think I’ve found a small bu

This is an illustration for the previous post.

Titanic: family bonds Nowadays, it is hard to imagine an ML person without a Jupyter notebook. So let’s think a little outside the box and consider other options. Quite recently, I discovered an interesting option for CS

TGIF. Meme First of all, let's check the results of the poll. One subscriber promised to unsubscribe, and the other 9 voted for memes and shitposting. A naive approach would be to think that if I publish the meme, I'll

After my previous shiptosting I lost 5 subscribers and it made me nervous. So, if I made a post with weird pictures I love, would you unsubscribe?

Shad Intensive. Evaluation. It seems I’ll be eating this mammoth in small pieces for ages. So for now, here’s a link to a [nice post on agent evaluation](<https://t.me/countwithsasha/584>)

Shad Intensive. Memory. Guardrails. Just want to share that I'm listening to this course. With a delay, but I'm trying to eat this mammoth piece by piece. Today, in the "Memory and Guardrails" lecture, I didn't hear anyt

One more subscriber — and we hit absolute zero.