---
title: "SU-CS229 OCT152025"
source: https://www.jemoka.com/posts/kbhsu_cs229_oct152025/
date: 2025-10-15
---

Key Sequence Notation New Concepts unsupervised learning k-means clustering k-means++ Gaussian mixture model expectation maximization Jensen&rsquo;s Inequality Important Results / Claims Questions Interesting Factoids
