- Thread starter
- #1
OhMyMarkov
Member
- Mar 5, 2012
- 83
Hello everyone!
I've searched a lot for this one, but couldn't find an answer:
If x is in R^N then ||x||_0 = x_1 + x_2 + ... + x_N. Why, then, isn't this norm differentiable?
(Btw, how to make LaTeX work?)
Thank you!
I've searched a lot for this one, but couldn't find an answer:
If x is in R^N then ||x||_0 = x_1 + x_2 + ... + x_N. Why, then, isn't this norm differentiable?
(Btw, how to make LaTeX work?)
Thank you!