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fourier series of absolute value of function

score 5.8k · Answer 1 · 2014-11-16 23:59:19

5.8k

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fourier series of absolute value of function

Published on 16 Nov 2014 - 23:59

score 152 · Answer 2 · 2026-03-28 15:18:53

152

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Vibration on a rectangular Plate

Published on 28 Mar 2026 - 15:18

score 45 · Answer 3 · 2014-11-18 05:00:31

45

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Periodic Functions of Cycle greater than two.

Published on 18 Nov 2014 - 5:00

score 62 · Answer 4 · 2014-11-18 23:35:41

62

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A differential equation regarding Fourier series. [Updated]

Published on 18 Nov 2014 - 23:35

score 88 · Answer 5 · 2014-11-20 04:34:44

88

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Solving the PDE $\frac{\partial u}{\partial t}=a\frac{\partial^2 u}{\partial x^2}+b\frac{\partial u}{\partial x}$

Published on 20 Nov 2014 - 4:34

score 60 · Answer 6 · 2026-03-26 17:37:32

60

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For $f(\theta)= e^{\theta}$. Is it true that $\hat{f}(n)(1-in)=0$ for all $n\in \mathbb Z.$?

Published on 26 Mar 2026 - 17:37

score 2.4k · Answer 7 · 2026-03-26 01:34:55

2.4k

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Finding Fourier cosine series of sine function

Published on 26 Mar 2026 - 1:34

score 5k · Answer 8 · 2026-03-30 17:17:24

5k

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How to find the Total Harmonic Distortion of a Periodic Signal through MATLAB?

Published on 30 Mar 2026 - 17:17

score 79 · Answer 9 · 2014-11-22 02:39:41

79

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Fourier Series Coefficient

Published on 22 Nov 2014 - 2:39

score 176 · Answer 10 · 2026-03-25 06:05:39

176

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Prove that the toral endomorphism $T_A: \mathbb{R}^d / \mathbb{Z}^d \rightarrow \mathbb{R}^d / \mathbb{Z}^d$ is not ergodic.

Published on 25 Mar 2026 - 6:05

score 57 · Answer 11 · 2014-11-22 22:17:08

57

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Local behavior of a Fourier series and a intgral

Published on 22 Nov 2014 - 22:17

score 544 · Answer 12 · 2026-03-29 00:00:05

544

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Fourier series for $f(x)=\begin{cases} 0 & -\pi\leq x<0 \\\sin x & 0\leq x\leq \pi \end{cases}$

Published on 29 Mar 2026 - 0:00

score 1.8k · Answer 13 · 2014-11-26 00:27:50

1.8k

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Prove $\cos x = \frac{8}{\pi}\sum_n \frac{n\sin 2nx}{4n^2-1}$ with Fourier series

Published on 26 Nov 2014 - 0:27

score 43 · Answer 14 · 2014-11-26 05:24:08

43

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Integral equality $\int_{-\pi}^\pi\dots = \int_{|t|\le \delta}\dots+\int_{\delta\le |t|\le \pi}\dots$

Published on 26 Nov 2014 - 5:24

score 3.7k · Answer 15 · 2014-11-26 06:36:52

After calculating Fourier series coefficients for $x(t)=2 cos(4t) + 4 sin(10t)$, why am I getting all zeroes for all coefficients?

List Question

fourier series of absolute value of function

Vibration on a rectangular Plate

Periodic Functions of Cycle greater than two.

A differential equation regarding Fourier series. [Updated]

Solving the PDE $\frac{\partial u}{\partial t}=a\frac{\partial^2 u}{\partial x^2}+b\frac{\partial u}{\partial x}$

For $f(\theta)= e^{\theta}$. Is it true that $\hat{f}(n)(1-in)=0$ for all $n\in \mathbb Z.$?

Finding Fourier cosine series of sine function

How to find the Total Harmonic Distortion of a Periodic Signal through MATLAB?

Fourier Series Coefficient

Prove that the toral endomorphism $T_A: \mathbb{R}^d / \mathbb{Z}^d \rightarrow \mathbb{R}^d / \mathbb{Z}^d$ is not ergodic.

Local behavior of a Fourier series and a intgral

Fourier series for $f(x)=\begin{cases} 0 & -\pi\leq x<0 \\\sin x & 0\leq x\leq \pi \end{cases}$

Prove $\cos x = \frac{8}{\pi}\sum_n \frac{n\sin 2nx}{4n^2-1}$ with Fourier series

Integral equality $\int_{-\pi}^\pi\dots = \int_{|t|\le \delta}\dots+\int_{\delta\le |t|\le \pi}\dots$

After calculating Fourier series coefficients for $x(t)=2 cos(4t) + 4 sin(10t)$, why am I getting all zeroes for all coefficients?

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