Timeline for Can a monotone exponentially decreasing function be uniformely approximated bt Gaussians?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Sep 8, 2014 at 22:01 | vote | accept | Michael | ||
| Sep 8, 2014 at 21:30 | comment | added | Michael Renardy | Then the answer is different and approximation is possible. For instance, you can set $\exp(-x^2)=u$ and $f(x)=g(u)$. Now use the Weierstrass approximation theorem to approximate g by a polynomial on the interval [0,1]. | |
| Sep 8, 2014 at 20:23 | comment | added | Michael | Thanks! $w_n$ don't have to be nonnegative though, as long as the sum remains nonnegative. | |
| Sep 8, 2014 at 19:17 | history | answered | Michael Renardy | CC BY-SA 3.0 |