List questions from fourier-transform

Published on 05 Feb 2023 - 17:28

102

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Finding fourier coefficients

Published on 05 Feb 2023 - 19:36

273

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$X$ and $Y$ are independent with the same distribution and we know distribution of $X + Y$. Find distribution of $X$

Published on 26 Mar 2026 - 2:57

58

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Exact definition of Fourier transform on L^p and some calculation

Published on 26 Mar 2026 - 12:07

170

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An alternate infinite series for Gaussian function - proof

Published on 30 Mar 2026 - 16:59

32

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Equation for Fourier transforms

Published on 06 Feb 2023 - 2:15

139

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Should the characteristic function of a probability distribtion decay to zero?

Published on 29 Mar 2026 - 2:12

26

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Help with Gradient Descent Implementation MATLAB

Published on 30 Mar 2026 - 2:57

34

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Confused with Characteristic Function as Fourier Transform of Density Function

Published on 29 Mar 2026 - 5:12

90

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Details of a Fourier transform

Published on 30 Mar 2026 - 1:13

78

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Solving $\frac{d^2u}{dx^2} + 2\frac{du}{dx} + u = e^{-|x|}$ via Fourier Transform

Published on 13 Feb 2023 - 12:15

35

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Different methods for one ordinary differential eqution

Published on 04 Apr 2026 - 4:25

59

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How can I solve $u_t = u_x + u_{xx}$ on an isolated half-rod (Robin conditions)?

Published on 31 Mar 2026 - 7:57

62

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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 17 Feb 2023 - 12:19

55

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How to understand fourier transform with linear algebra perspective

Published on 19 Feb 2023 - 5:54

List Question

Calculating Fourier coefficients given a function.

Finding fourier coefficients

$X$ and $Y$ are independent with the same distribution and we know distribution of $X + Y$. Find distribution of $X$

Exact definition of Fourier transform on L^p and some calculation

An alternate infinite series for Gaussian function - proof

Equation for Fourier transforms

Should the characteristic function of a probability distribtion decay to zero?

Help with Gradient Descent Implementation MATLAB

Confused with Characteristic Function as Fourier Transform of Density Function

Details of a Fourier transform

Solving $\frac{d^2u}{dx^2} + 2\frac{du}{dx} + u = e^{-|x|}$ via Fourier Transform

Different methods for one ordinary differential eqution

How can I solve $u_t = u_x + u_{xx}$ on an isolated half-rod (Robin conditions)?

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

How to understand fourier transform with linear algebra perspective

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