List questions from fourier-analysis

Published on 10 May 2026 - 22:30

16

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$X_1^{(T)} (jω)$ and $X_1^{(nT)}(jω)$ of a T-periodic signal $x_1 (t)$ for $n$ odd

Published on 17 Apr 2026 - 15:33

148

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What is the Fourier transform? (Symmetric invertible matrix)

Published on 12 Apr 2026 - 12:34

713

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Eigenfunction/Fourier Series Relationship

Published on 08 Apr 2026 - 20:59

53

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Equivalence between $\phi (z,s,a)$ and a sum of single impulses

Published on 12 May 2026 - 20:51

1.7k

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The best textbook on Fourier Transformation for beginners

Published on 14 May 2026 - 14:25

910

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Write the Fourier integral of x^2

Published on 10 May 2026 - 16:56

90

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what is the relationship between $X$ and Discrete Fourier Transform of $\overline{x}$

Published on 10 Apr 2026 - 21:22

300

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If f $\in$ $L^{1}[\pi]$ such that fourier coefficients of $f$ are absolutely summable. Then partial fourier sums of $f$ converge to $f$?

Published on 16 Apr 2026 - 14:20

67

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Find Fourier coefficients of $f(x)=e^{-|x|}$

Published on 14 May 2026 - 6:26

689

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Fourier series of $ \arctan( \frac{2a \sin(x) }{ 1-a^2} ) $

Published on 14 Apr 2026 - 20:23

304

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Conditions to apply the inverse Laplace transform

Published on 11 May 2026 - 0:28

239

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Calculate Fourier coefficients of a product

Published on 13 Apr 2026 - 13:23

488

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Riemann Localization theorem at the end of Theorem 8.14 in Baby Rudin, P.190 (book does not prove it)

Published on 15 Apr 2026 - 12:02

59

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Functions with Fourier transform support $[-\pi,\pi]$

Published on 13 May 2026 - 21:44

List Question

How should I interpret the sampling theorem?

$X_1^{(T)} (jω)$ and $X_1^{(nT)}(jω)$ of a T-periodic signal $x_1 (t)$ for $n$ odd

What is the Fourier transform? (Symmetric invertible matrix)

Eigenfunction/Fourier Series Relationship

Equivalence between $\phi (z,s,a)$ and a sum of single impulses

The best textbook on Fourier Transformation for beginners

Write the Fourier integral of x^2

what is the relationship between $X$ and Discrete Fourier Transform of $\overline{x}$

If f $\in$ $L^{1}[\pi]$ such that fourier coefficients of $f$ are absolutely summable. Then partial fourier sums of $f$ converge to $f$?

Find Fourier coefficients of $f(x)=e^{-|x|}$

Fourier series of $ \arctan( \frac{2a \sin(x) }{ 1-a^2} ) $

Conditions to apply the inverse Laplace transform

Calculate Fourier coefficients of a product

Riemann Localization theorem at the end of Theorem 8.14 in Baby Rudin, P.190 (book does not prove it)

Functions with Fourier transform support $[-\pi,\pi]$

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