Timeline for Computing (formally or numerically) Green's function for the wave equation on a sphere
Current License: CC BY-SA 4.0
4 events
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| Jun 19, 2018 at 10:15 | comment | added | Gro-Tsen | @RomainGicquaud The thing about numerical integration is that (A) the wave fronts $t\pm\theta=2k\pi$ seem just as problematic in this approach, and (B) this seems more suited to producing values of various $(\theta,t)$ as opposed to fixed $\theta$ and many $t$'s. (Of course, it is possible that there is no good answer to my question.) But I certainly agree that summing the (divergent!) series is not a good approach; it is how I computed the approximate graph, however. | |
| Jun 19, 2018 at 10:08 | comment | added | Romain Gicquaud | 0 down vote I do not know the answer but trying to sum the formula you have is a bad idea. You should instead write the wave equation in polar coordinates and try to integrate this equation. | |
| Jun 19, 2018 at 9:42 | history | edited | Gro-Tsen | CC BY-SA 4.0 |
add an approximate graph for a quarter-turn angle
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| Jun 18, 2018 at 22:53 | history | asked | Gro-Tsen | CC BY-SA 4.0 |