Homework 4 is released and will be due on Oct 17, one week from the Oct 10 lecture.

Homework 4, parameter estimation and unsupervised clustering (with principle component analysis) will be due on 10/17/2023. Please let me know if you cannot access lecture materials. The following slides are some very useful mathematical properties that you should fine useful. As usual, lecture slides, reading, and materials can be viewed on the syllabus page.