Timeline for Question on expansion into Neumann eigenfunctions
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jan 19, 2018 at 17:12 | comment | added | user118240 | Thank you for your comments. I completely agree with it: just like all the sines $\{\sin i\pi x\}_{i=1}^\infty$ are complete in $L^2(0,1)$. | |
| Jan 18, 2018 at 15:04 | comment | added | Math604 | you can also think of the simpler case with the Dirichelt boundary condition eigenfunctions; so they are zero on the boundary. Yet any $L^2(\Omega)$ function can be written as an infinite sum. | |
| Jan 16, 2018 at 11:51 | answer | added | Alexandre | timeline score: 4 | |
| Jan 15, 2018 at 13:11 | comment | added | user118240 | Thanks for the comment. I would also expect so but it is a result proved on page 37 of the note (in the link), and I do not find any problem with the proof. | |
| Jan 14, 2018 at 18:35 | review | Close votes | |||
| Jan 15, 2018 at 12:47 | |||||
| Jan 14, 2018 at 18:06 | history | asked | user118240 | CC BY-SA 3.0 |