Timeline for approximating differentiable functions with double trigonometric polynomials
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Sep 18 at 22:03 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| May 21 at 21:08 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Apr 21 at 19:41 | answer | added | Liding Yao | timeline score: 0 | |
| Apr 21 at 7:11 | comment | added | Jochen Wengenroth | You ask whether the linear span of the exponentials is dense. Since they are periodic they only can approximate periodic $C^k$-functions. It is thus better to look at $C^k(\mathbb T)$ for the torus. You might be interested in Nachbin's theorem, discussed, e.g., here math.stackexchange.com/questions/2150294 | |
| Apr 21 at 6:49 | history | edited | Daniele Tampieri | CC BY-SA 4.0 |
Minor formatting and Math Jaxing
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| Apr 21 at 2:03 | history | edited | Doofenshmert | CC BY-SA 4.0 |
deleted 1 character in body
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| S Apr 21 at 2:03 | review | First questions | |||
| Apr 21 at 6:49 | |||||
| S Apr 21 at 2:03 | history | asked | Doofenshmert | CC BY-SA 4.0 |