List questions from fourier-series

Published on 12 Apr 2026 - 7:39

698

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Finding Fourier series constant and integral

Published on 10 Apr 2026 - 13:13

1.4k

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Convergence of Fourier sine and cosine series

Published on 14 Apr 2026 - 14:01

98

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Why cannot $A\sin\alpha x +B\cos \alpha x$ be zero?

Published on 15 Apr 2026 - 3:54

48

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How to use the 3rd and 4th boundary conditions in this?

Published on 11 Apr 2026 - 18:47

492

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Epicycles as precursors of Fourier series

Published on 13 Apr 2026 - 5:58

38

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What do Fourier Series for Other Symmetric Operators Look Like?

Published on 03 Apr 2026 - 16:47

569

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Square Integrable Functions Formula

Published on 09 Apr 2026 - 4:50

124

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Every vector in a Hilbert space has a Fourier representation wrt an orthonormal sequences?

Published on 17 Apr 2026 - 13:49

855

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$L^p$ norm of certain trigonometric polynomials bounded by $L^p$ norm of second derivative

Published on 15 Apr 2026 - 1:00

1.7k

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How to find Fourier sine series of $f(x)=x(1-x), 0\lt x \lt 1$?

Published on 16 Apr 2026 - 6:46

38

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Minimal error given when making an approximation of $f(x)$ by sines and cosines

Published on 08 Apr 2026 - 22:38

183

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Show $\csc^2(\pi\sigma)=\frac{1}{\pi^2}\sum_{n=-\infty}^{\infty}\frac{1}{(n+\sigma)^2}$ using Parseval's Theorem

Published on 15 Apr 2026 - 21:33

929

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Solving $y'' + \lambda y = 0$ with initial conditions

Published on 29 Mar 2026 - 7:37

512

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Fourier serie property for $\sum_{n=1}^\infty \frac{1}{n^2}=\frac{\pi^2}{6}$

Published on 14 Apr 2026 - 10:06

List Question

Trigonometric integrals and limits

Finding Fourier series constant and integral

Convergence of Fourier sine and cosine series

Why cannot $A\sin\alpha x +B\cos \alpha x$ be zero?

How to use the 3rd and 4th boundary conditions in this?

Epicycles as precursors of Fourier series

What do Fourier Series for Other Symmetric Operators Look Like?

Square Integrable Functions Formula

Every vector in a Hilbert space has a Fourier representation wrt an orthonormal sequences?

$L^p$ norm of certain trigonometric polynomials bounded by $L^p$ norm of second derivative

How to find Fourier sine series of $f(x)=x(1-x), 0\lt x \lt 1$?

Minimal error given when making an approximation of $f(x)$ by sines and cosines

Show $\csc^2(\pi\sigma)=\frac{1}{\pi^2}\sum_{n=-\infty}^{\infty}\frac{1}{(n+\sigma)^2}$ using Parseval's Theorem

Solving $y'' + \lambda y = 0$ with initial conditions

Fourier serie property for $\sum_{n=1}^\infty \frac{1}{n^2}=\frac{\pi^2}{6}$

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