Timeline for Non-continuous higher differentiability
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 8, 2019 at 18:15 | comment | added | Toby Bartels | This example makes it clear that the issue is not that the first derivative might fail to exist (except at the point in question), so that it can't possibly have its own derivative. In this case, the first derivative exists everywhere and is even continuous, just not differentiable at zero. | |
| May 7, 2014 at 0:18 | vote | accept | Mike Shulman | ||
| May 6, 2014 at 22:26 | history | answered | Michal R. Przybylek | CC BY-SA 3.0 |