List questions from fourier-series

Published on 05 May 2026 - 7:23

108

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What does it mean to "find the Fourier series coefficients for the Fourier series over " some interval?

Published on 12 Apr 2026 - 1:44

147

Views

Finding the sum of a series using a Fourier series

Published on 09 Apr 2026 - 17:20

60

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Functions whose absolute values and absolute value of Fourier coefficients agree

Published on 14 Apr 2026 - 20:24

567

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Fourier series of $f(x)=\pi -x$ for $x \in [0,2\pi]$

Published on 05 May 2026 - 7:23

83

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How do you go from a discrete sum of waves $u(x)=\sum_{i=1}^n a_i e^{ikx}$ to a continuous integral $u(x)=\int_{-\infty}^{+\infty} A(k) e^{ikx} dk$

Published on 15 Apr 2026 - 14:04

64

Views

Using the results of Fourier series to calculate the sum of another series

Published on 10 Apr 2026 - 23:41

41

Views

Why $\overline{\hat{f}(k)}=\hat{f}(-k)$ If $f \in \mathbb{R}$

Published on 23 Apr 2026 - 11:21

302

Views

Lower $L^1$ Bound for Dirichlet Kernal inequity problem

Published on 23 Apr 2026 - 11:10

52

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Are good kernels trigonometric polynomials?

Published on 12 Apr 2026 - 3:17

48

Views

Fourier Series Derivative of saw tooth-like function

Published on 12 Apr 2026 - 6:09

27

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How to understand a function when limits are "clashed"?

Published on 09 Apr 2026 - 15:52

378

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Absolute convergence of the Fourier series of a $\mathcal{C}^1$ function on the circle

Published on 15 Apr 2026 - 15:33

98

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Why the need to integrate to get the Fourier series coefficients?

Published on 12 Apr 2026 - 19:50

55

Views

Connection between boundary value problems and eigenvalue problems

Published on 12 Apr 2026 - 13:48

List Question

Integral over product of Fourier transforms

What does it mean to "find the Fourier series coefficients for the Fourier series over " some interval?

Finding the sum of a series using a Fourier series

Functions whose absolute values and absolute value of Fourier coefficients agree

Fourier series of $f(x)=\pi -x$ for $x \in [0,2\pi]$

How do you go from a discrete sum of waves $u(x)=\sum_{i=1}^n a_i e^{ikx}$ to a continuous integral $u(x)=\int_{-\infty}^{+\infty} A(k) e^{ikx} dk$

Using the results of Fourier series to calculate the sum of another series

Why $\overline{\hat{f}(k)}=\hat{f}(-k)$ If $f \in \mathbb{R}$

Lower $L^1$ Bound for Dirichlet Kernal inequity problem

Are good kernels trigonometric polynomials?

Fourier Series Derivative of saw tooth-like function

How to understand a function when limits are "clashed"?

Absolute convergence of the Fourier series of a $\mathcal{C}^1$ function on the circle

Why the need to integrate to get the Fourier series coefficients?

Connection between boundary value problems and eigenvalue problems

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