Timeline for A question on decreasing function [closed]
Current License: CC BY-SA 3.0
10 events
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| Feb 8, 2016 at 15:49 | history | closed |
Alex Degtyarev Jochen Wengenroth Mikhail Katz Vladimir Dotsenko Wolfgang |
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| Feb 8, 2016 at 15:40 | comment | added | Lev Borisov | You may well consider the dependence on $s$ of the solutions to $\sum a_kx^k+s=0$. Assuming you have an isolated positive root, its location will be a differentiable function of $s$ in a small neighborhood. You will be able to see the sign of its derivative from the usual chain rule. Then it's just a matter of precomposing with $f(t)$. | |
| Feb 8, 2016 at 15:35 | answer | added | Mark Fischler | timeline score: 1 | |
| Feb 8, 2016 at 15:14 | review | Close votes | |||
| Feb 8, 2016 at 15:49 | |||||
| Feb 8, 2016 at 15:07 | history | edited | Roger | CC BY-SA 3.0 |
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| Feb 8, 2016 at 15:01 | comment | added | Roger | @AlexDegtyarev - I edited this post. | |
| Feb 8, 2016 at 15:00 | history | edited | Roger | CC BY-SA 3.0 |
added 5 characters in body
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| Feb 8, 2016 at 14:57 | comment | added | Alex Degtyarev | Which zero? In any case, the answer is no. | |
| Feb 8, 2016 at 14:53 | review | First posts | |||
| Feb 8, 2016 at 14:57 | |||||
| Feb 8, 2016 at 14:49 | history | asked | Roger | CC BY-SA 3.0 |