Could anyone give me an example of non-smooth strong convex function?

Question

Could anyone give me an example of non-smooth strong convex function? I cannot figure out one.

Please make the question body self-contained. – Asaf Karagila Feb 21 '14 at 20:53 — Asaf Karagila, Feb 21 '14 at 20:53

score 6 · Accepted Answer · answered Feb 21 '14 at 20:21

6

$$x\mapsto|x|+x^2{}{}{}{}{}{}$$

answered Feb 21 '14 at 20:21

Did

1 Answers1