Timeline for investigating positivity/negativity of a function [closed]
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 7, 2014 at 4:15 | review | Reopen votes | |||
| Oct 7, 2014 at 11:21 | |||||
| Oct 7, 2014 at 0:10 | history | closed |
Will Jagy D.-C. Cisinski Stefan Kohl♦ Ricardo Andrade Ryan Budney |
Not suitable for this site | |
| Oct 6, 2014 at 21:21 | vote | accept | alperden15 | ||
| Oct 6, 2014 at 21:21 | vote | accept | alperden15 | ||
| Oct 6, 2014 at 21:21 | |||||
| Oct 6, 2014 at 21:21 | vote | accept | alperden15 | ||
| Oct 6, 2014 at 21:21 | |||||
| Oct 6, 2014 at 19:37 | answer | added | Noam D. Elkies | timeline score: 3 | |
| Oct 6, 2014 at 18:50 | review | Close votes | |||
| Oct 7, 2014 at 0:10 | |||||
| Oct 6, 2014 at 18:38 | comment | added | Robert Israel | arctanh is not real on all of $\mathbb R$, only on $(-1,1)$. Related to this, note the $(y_i - y_j)^2 - 1$ in the denominators of your gradient, which will give you trouble when $y_i - y_j = \pm 1$. | |
| Oct 6, 2014 at 18:34 | answer | added | Robert Israel | timeline score: 1 | |
| Oct 6, 2014 at 17:52 | history | asked | alperden15 | CC BY-SA 3.0 |