Question

why convolution is often related with smoothing and averaging?

score 37 · Answer 1 · 2026-04-12 16:15:06

37

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why convolution is often related with smoothing and averaging?

Published on 12 Apr 2026 - 16:15

score 28 · Answer 2 · 2026-04-12 11:13:33

28

Views

Help with Gradient Descent Implementation MATLAB

Published on 12 Apr 2026 - 11:13

score 26 · Answer 3 · 2026-04-12 23:06:49

Why is a Fourier tempered distribution of two sets of coordinates different, when coordinates are shifted on the x-axis?

score 92 · Answer 4 · 2026-04-11 10:26:31

92

Views

Details of a Fourier transform

Published on 11 Apr 2026 - 10:26

score 37 · Answer 5 · 2026-03-26 04:29:13

37

Views

How can one construct polynomial bases for positional estimation?

Published on 26 Mar 2026 - 4:29

score 116 · Answer 6 · 2026-04-14 04:34:16

116

Views

Asymptotic behavior of an integral $ \int_{-\infty}^{\infty} \frac{e^{i \lambda \cos x}}{1 + x^2} dx $ using (preferably) the stationary phase method

Published on 14 Apr 2026 - 4:34

score 99 · Answer 7 · 2026-04-12 11:36:09

99

Views

under what condition a periodic function will have finite Fourier-coefficient?

Published on 12 Apr 2026 - 11:36

score 76 · Answer 8 · 2026-03-26 11:06:58

76

Views

Brockwell & Davis, Time Series Theory and Methods, problem 4.4

Published on 26 Mar 2026 - 11:06

score 64 · Answer 9 · 2026-04-08 05:25:05

64

Views

Why for periodic function the fourier expansion is a series (sum over $\mathbb{Z}$) and for non-periodic functions an integral (sum over$\mathbb{R}$)?

Published on 08 Apr 2026 - 5:25

score 70 · Answer 10 · 2026-04-16 01:14:42

70

Views

If the Fourier coefficients of $f$ are $\hat{f} \in \ell_{2}$ then $f \in L_2$?

Published on 16 Apr 2026 - 1:14

score 119 · Answer 11 · 2026-04-11 17:07:15

119

Views

Connecting piecewise smooth functions using mollification.

Published on 11 Apr 2026 - 17:07

score 58 · Answer 12 · 2026-04-09 10:21:41

58

Views

How to understand fourier transform with linear algebra perspective

Published on 09 Apr 2026 - 10:21

score 175 · Answer 13 · 2026-04-10 17:35:25

175

Views

Proof of alternating zeros of Bessel function

Published on 10 Apr 2026 - 17:35

score 48 · Answer 14 · 2026-03-26 11:00:09

48

Views

Spectral representation of a white stationary process

Published on 26 Mar 2026 - 11:00

score 62 · Answer 15 · 2026-04-13 21:29:35

62

Views

Find function $f(x)$ so $x\hat{f}(x)\in L^1(\mathbb{R})$

Published on 13 Apr 2026 - 21:29

List Question

why convolution is often related with smoothing and averaging?

Help with Gradient Descent Implementation MATLAB

Why is a Fourier tempered distribution of two sets of coordinates different, when coordinates are shifted on the x-axis?

Details of a Fourier transform

How can one construct polynomial bases for positional estimation?

Asymptotic behavior of an integral $ \int_{-\infty}^{\infty} \frac{e^{i \lambda \cos x}}{1 + x^2} dx $ using (preferably) the stationary phase method

under what condition a periodic function will have finite Fourier-coefficient?

Brockwell & Davis, Time Series Theory and Methods, problem 4.4

Why for periodic function the fourier expansion is a series (sum over $\mathbb{Z}$) and for non-periodic functions an integral (sum over$\mathbb{R}$)?

If the Fourier coefficients of $f$ are $\hat{f} \in \ell_{2}$ then $f \in L_2$?

Connecting piecewise smooth functions using mollification.

How to understand fourier transform with linear algebra perspective

Proof of alternating zeros of Bessel function

Spectral representation of a white stationary process

Find function $f(x)$ so $x\hat{f}(x)\in L^1(\mathbb{R})$

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