If you're taking requests, I'd love a good linear-algebra refresher course. I recently ran into the term "eigenvector" in a professional setting and that's a w

If you're taking requests, I'd love a good linear-algebra refresher course. I recently ran into the term "eigenvector" in a professional setting and that's a word I hadn't heard since my freshman year of college, which is over 2 decades at this point.