Question

Trigonometric polynomial with exactly 2N zeroes

score 125 · Answer 1 · 2026-04-11 16:52:02

125

Views

Trigonometric polynomial with exactly 2N zeroes

Published on 11 Apr 2026 - 16:52

score 55 · Answer 2 · 2026-05-04 20:04:31

55

Views

Closed form of an exponential series of $n$-fold convolutions

Published on 04 May 2026 - 20:04

score 48 · Answer 3 · 2026-05-04 20:59:19

Rewriting $\int d \textbf{r} \int d \textbf{R} \rho_1(\textbf{r})\rho_2(\textbf{R})v(|\textbf{r}-\textbf{R}|)$ in terms of Fourier components

score 47 · Answer 4 · 2026-04-15 21:25:56

47

Views

Correct Fourier Series approximation for Even function but not Odd function and others.

Published on 15 Apr 2026 - 21:25

score 33 · Answer 5 · 2026-04-15 08:55:13

33

Views

Question on a weighted Plancherel-type result for Fourier series for $L^r$ functions.

Published on 15 Apr 2026 - 8:55

score 148 · Answer 6 · 2026-03-26 04:34:33

148

Views

Compute $\int_{0}^{2\pi}\frac{e^{ikt}}{|e^{it}-e^{it_0}|^m}~\text{d}t$, where $k\in\mathbb{Z}$, $t_0\in\mathbb{C}$, and $m=1,3,5,\dots$

Published on 26 Mar 2026 - 4:34

score 92 · Answer 7 · 2026-04-16 21:10:27

92

Views

Sawtooth function Fourier series approaching 1

Published on 16 Apr 2026 - 21:10

score 39 · Answer 8 · 2026-04-14 08:38:05

39

Views

Solved Fourier coefficients imply that $\sin(x) \equiv 0$ on $[0, \pi]$ in an initial value boundary PDE problem

Published on 14 Apr 2026 - 8:38

score 313 · Answer 9 · 2026-04-12 17:56:07

313

Views

Is there a single counterexample to "Any function can be represented with a fourier series"

Published on 12 Apr 2026 - 17:56

score 214 · Answer 10 · 2026-04-15 18:15:28

214

Views

Proving $\sum_{n=1}^{\infty}\frac{1}{1+n^2\pi^2} = \frac{1}{e^2-1}$

Published on 15 Apr 2026 - 18:15

score 67 · Answer 11 · 2026-04-14 19:40:46

67

Views

Is there some collection of popular non-gamma functions interpolating the factorial?

Published on 14 Apr 2026 - 19:40

score 59 · Answer 12 · 2026-04-16 00:24:52

59

Views

Problem with evaluating $a_n$ in $f(x)=a_0+\sum_{n=1}^{\infty}\left(a_n\cos(nx)+b_n\sin(nx)\right)$

Published on 16 Apr 2026 - 0:24

score 69 · Answer 13 · 2026-04-12 15:12:39

69

Views

Why half of $A_0$ in Fourier series

Published on 12 Apr 2026 - 15:12

score 16 · Answer 14 · 2026-05-04 21:46:54

16

Views

Finding the coefficient in the Fourier Series is the Discrete Fourier Transform?

Published on 04 May 2026 - 21:46

score 198 · Answer 15 · 2026-04-13 07:01:37

198

Views

Determine the function to which the Fourier series converges for $f(x)=x$

Published on 13 Apr 2026 - 7:01

List Question

Trigonometric polynomial with exactly 2N zeroes

Closed form of an exponential series of $n$-fold convolutions

Rewriting $\int d \textbf{r} \int d \textbf{R} \rho_1(\textbf{r})\rho_2(\textbf{R})v(|\textbf{r}-\textbf{R}|)$ in terms of Fourier components

Correct Fourier Series approximation for Even function but not Odd function and others.

Question on a weighted Plancherel-type result for Fourier series for $L^r$ functions.

Compute $\int_{0}^{2\pi}\frac{e^{ikt}}{|e^{it}-e^{it_0}|^m}~\text{d}t$, where $k\in\mathbb{Z}$, $t_0\in\mathbb{C}$, and $m=1,3,5,\dots$

Sawtooth function Fourier series approaching 1

Solved Fourier coefficients imply that $\sin(x) \equiv 0$ on $[0, \pi]$ in an initial value boundary PDE problem

Is there a single counterexample to "Any function can be represented with a fourier series"

Proving $\sum_{n=1}^{\infty}\frac{1}{1+n^2\pi^2} = \frac{1}{e^2-1}$

Is there some collection of popular non-gamma functions interpolating the factorial?

Problem with evaluating $a_n$ in $f(x)=a_0+\sum_{n=1}^{\infty}\left(a_n\cos(nx)+b_n\sin(nx)\right)$

Why half of $A_0$ in Fourier series

Finding the coefficient in the Fourier Series is the Discrete Fourier Transform?

Determine the function to which the Fourier series converges for $f(x)=x$

Trending Questions

Popular # Hahtags

Popular Questions