Federico Magnani’s blog personal blog
The quadratic sandwich
If you have ever tried to minimize a function with gradient descent, you probably noticed that some functions are a joy to optimize and others are a nightmare. The difference often boils down to two properties: strong convexity and L-smoothness. These two concepts define a “sandwich” of quadratic bounds around your…
- Points
- 147
- HN comments
- 15
- Submissions
- 1
- Cited by
- 0 commenters
Math & AlgorithmsSoftware Engineering2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| May 20, 2026 | The quadratic sandwich by mbustamanter | 147 | 15 |
