https://news.ycombinator.com/user?id=f5129cacHacker News RSShttps://hnrss.org/hnrss v2.1.1Wed, 10 Jun 2026 08:43:19 +0000Thank you for writing this article! It really helped me clear up my understanding of why you care about min and max eigenvalues of a Hessian matrix, something I've been confused about for some time. I have https://fedemagnani.github.io/math/2025/07/04/fenchel.html queued up to read next (convex conjugates being another topic that confuse the hell out of me).

]]>Sun, 24 May 2026 14:44:17 +0000https://news.ycombinator.com/item?id=48257663f5129cachttps://news.ycombinator.com/item?id=48257663https://news.ycombinator.com/item?id=48257663Bravo

]]>Sat, 20 Dec 2025 15:12:15 +0000https://news.ycombinator.com/item?id=46336736f5129cachttps://news.ycombinator.com/item?id=46336736https://news.ycombinator.com/item?id=46336736This is reasonably obviously GPT-generated self-promotion with fake references. Downvote hard

]]>Fri, 14 Mar 2025 13:15:02 +0000https://news.ycombinator.com/item?id=43362330f5129cachttps://news.ycombinator.com/item?id=43362330https://news.ycombinator.com/item?id=43362330