List questions from fourier-series

Published on 18 Apr 2026 - 18:08

76

Views

Why does Fourier transform gives the correct amplitudes?

Published on 17 Apr 2026 - 5:53

248

Views

$f$ continuous with summable Fourier coefficients $\implies$ Fourier series converges to $f$?

Published on 14 Apr 2026 - 15:18

47

Views

Inequality about Fourier series

Published on 13 Apr 2026 - 13:00

35

Views

Fourier decomposition by solving an infinite order linear ODE

Published on 15 Apr 2026 - 18:11

75

Views

Find the fourier coefficient of given function

Published on 30 Apr 2026 - 8:37

205

Views

Fourier series of a non-periodic function possible?

Published on 09 Apr 2026 - 17:23

53

Views

Bound on amount of minima of finite Fourier sum

Published on 11 Apr 2026 - 20:35

72

Views

solving $u_t = u_{xx} +2u_x +u+1$

Published on 30 Apr 2026 - 8:37

110

Views

Which even function $f(x)$ satisfies $\frac{1}{\pi}\int_{-\pi}^{\pi}f(x)\cos(nx)~dx=\frac{1}{n}$?

Published on 14 Apr 2026 - 5:02

18

Views

Use of sine-cosine orthogonality rules to derive expressions for the Fourier coefficients

Published on 10 Apr 2026 - 21:10

217

Views

Fourier series of $\sqrt[3]{\sin x}$

Published on 30 Apr 2026 - 9:46

38

Views

$f(x) = x$ on the interval $|x| < \pi/2$

Published on 15 Apr 2026 - 19:44

35

Views

Can one show that $\sum_{k=10}^{50} a_k \cos(k \theta)$ has at least four zeroes on $[0,2\pi]$ for $a_k \in \mathbb{R}$?

Published on 15 Apr 2026 - 11:23

476

Views

Fourier series of $f(x) = 1$ on the interval $\pi/2 < |x| < \pi$

Published on 15 Apr 2026 - 2:43

List Question

Multi-dimensional Dirichlet-Dini criterion for Fourier series

Why does Fourier transform gives the correct amplitudes?

$f$ continuous with summable Fourier coefficients $\implies$ Fourier series converges to $f$?

Inequality about Fourier series

Fourier decomposition by solving an infinite order linear ODE

Find the fourier coefficient of given function

Fourier series of a non-periodic function possible?

Bound on amount of minima of finite Fourier sum

solving $u_t = u_{xx} +2u_x +u+1$

Which even function $f(x)$ satisfies $\frac{1}{\pi}\int_{-\pi}^{\pi}f(x)\cos(nx)~dx=\frac{1}{n}$?

Use of sine-cosine orthogonality rules to derive expressions for the Fourier coefficients

Fourier series of $\sqrt[3]{\sin x}$

$f(x) = x$ on the interval $|x| < \pi/2$

Can one show that $\sum_{k=10}^{50} a_k \cos(k \theta)$ has at least four zeroes on $[0,2\pi]$ for $a_k \in \mathbb{R}$?

Fourier series of $f(x) = 1$ on the interval $\pi/2 < |x| < \pi$

Trending Questions

Popular # Hahtags

Popular Questions