Question

Prove: $\lim_{n\to \infty}\|*_{i=1}^nf(x)\|_2=0$

score 53 · Answer 1 · 2018-09-13 19:42:40

53

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Prove: $\lim_{n\to \infty}\|*_{i=1}^nf(x)\|_2=0$

Published on 13 Sep 2018 - 19:42

score 23 · Answer 2 · 2018-09-13 21:24:08

23

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Evaluating DFT Of $f(n)=e^{an}$

Published on 13 Sep 2018 - 21:24

score 54 · Answer 3 · 2026-03-26 22:51:36

54

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Fourier Transform of

Published on 26 Mar 2026 - 22:51

score 164 · Answer 4 · 2018-09-14 19:35:55

164

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Wavenumber $k$ becoming a continuous variable as $\lambda \to \infty$

Published on 14 Sep 2018 - 19:35

score 98 · Answer 5 · 2018-09-15 00:26:15

98

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Find the Fourier Transformed of $ f(t) = -2e^{-3|t+3|} + e^{j4t}\cdot\frac{1}{1+t^2} $

Published on 15 Sep 2018 - 0:26

score 43 · Answer 6 · 2018-09-15 14:23:39

43

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Finding the value of $\sum_{n=1}^\infty \frac{1}{n^2}$ using Fourier transformation of a function f(x)

Published on 15 Sep 2018 - 14:23

score 72 · Answer 7 · 2018-09-16 19:00:29

72

Views

Calculation the Fourier transform of $f(t)=e^{-|t+1|} \, u(t+3)$

Published on 16 Sep 2018 - 19:00

score 38 · Answer 8 · 2018-09-16 22:36:53

38

Views

Going from Fourier sum to Fourier integral - confusion on intermediate step

Published on 16 Sep 2018 - 22:36

score 215 · Answer 9 · 2018-09-17 05:31:48

215

Views

Inverse Laplace transform of $\left(\frac{1+\alpha s}{1+\alpha(s-s_0)}\right)^p$

Published on 17 Sep 2018 - 5:31

score 68 · Answer 10 · 2018-09-17 17:07:01

68

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Does $\int_R \cos(rx) f(x) = 0$ with $f(x)=f(-x)$ imply $f(x) = 0$ almost everywhere?

Published on 17 Sep 2018 - 17:07

score 243 · Answer 11 · 2026-03-25 12:55:13

243

Views

When would the time shift properties of Dirac Delta function become invalid?

Published on 25 Mar 2026 - 12:55

score 240 · Answer 12 · 2026-03-25 14:19:08

240

Views

A Fourier transform exercise

Published on 25 Mar 2026 - 14:19

score 431 · Answer 13 · 2018-09-20 07:05:38

431

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Extending the Fourier transform on $L^1(\mathbb{R}^n)$ to $L^2(\mathbb{R}^n)$

Published on 20 Sep 2018 - 7:05

score 50 · Answer 14 · 2018-09-21 22:57:17

50

Views

Fourier transform and (anti)derivatives

Published on 21 Sep 2018 - 22:57

score 49 · Answer 15 · 2026-03-27 00:00:17

49

Views

Absolute integrability and propositional logic for the proof

Published on 27 Mar 2026 - 0:00

List Question

Prove: $\lim_{n\to \infty}\|*_{i=1}^nf(x)\|_2=0$

Evaluating DFT Of $f(n)=e^{an}$

Fourier Transform of

Wavenumber $k$ becoming a continuous variable as $\lambda \to \infty$

Find the Fourier Transformed of $ f(t) = -2e^{-3|t+3|} + e^{j4t}\cdot\frac{1}{1+t^2} $

Finding the value of $\sum_{n=1}^\infty \frac{1}{n^2}$ using Fourier transformation of a function f(x)

Calculation the Fourier transform of $f(t)=e^{-|t+1|} \, u(t+3)$

Going from Fourier sum to Fourier integral - confusion on intermediate step

Inverse Laplace transform of $\left(\frac{1+\alpha s}{1+\alpha(s-s_0)}\right)^p$

Does $\int_R \cos(rx) f(x) = 0$ with $f(x)=f(-x)$ imply $f(x) = 0$ almost everywhere?

When would the time shift properties of Dirac Delta function become invalid?

A Fourier transform exercise

Extending the Fourier transform on $L^1(\mathbb{R}^n)$ to $L^2(\mathbb{R}^n)$

Fourier transform and (anti)derivatives

Absolute integrability and propositional logic for the proof

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