Timeline for Does this recursion preserve monotonicity? (was: A nice problem that I am unable to solve)
Current License: CC BY-SA 3.0
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| Sep 1, 2011 at 6:17 | comment | added | hamed hassani | Hi, Many thanks for your comment. The problem is that the range of $2x-x^2$ over $[0, \frac 12]$ is $[0, \frac 34]$. As a result what you mentioned does not work here. | |
| Aug 31, 2011 at 17:40 | history | answered | zamanjan | CC BY-SA 3.0 |