Timeline for Approximation rate of $L^2$ function by piecewise constant functions
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 12, 2016 at 5:22 | vote | accept | John | ||
| Aug 11, 2016 at 16:40 | comment | added | Christian Remling | @D G: What I was trying to say is that $f=x$ on $[-1,1]$, and outside this interval I define $f$ in such a way that $f\in C_0^{\infty}$. | |
| Aug 11, 2016 at 10:58 | comment | added | D G | I agree with the example by Christian Remling, only pointing out that $f \in C^\infty$, since $f(\pm 1) = \pm 1 \ne 0$. | |
| Aug 10, 2016 at 17:08 | history | answered | Christian Remling | CC BY-SA 3.0 |