List questions from periodic-functions

Published on 16 Jan 2020 - 12:37

73

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Is there a term for functions where $f(x) - x$ is periodic?

Published on 19 Jan 2020 - 13:05

332

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Let $f$ be periodic function with fundamental period $\tau$. Prove that function $f(nx)$ have fundamental period $\frac{\tau}{n}$.

Published on 22 Jan 2020 - 19:16

56

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Prove $\alpha f + \beta g$ is periodic function with period LCM($\tau_1,\tau_2$).

Published on 23 Jan 2020 - 6:25

36

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Are binary sequences defined by recurrence relations eventually binary?

Published on 28 Jan 2020 - 4:08

50

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Finding a constant to make this function periodic

Published on 01 Feb 2020 - 17:21

192

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Is it true that the continuous $2\pi$-periodic function is almost everywhere differentiable?

Published on 23 Feb 2026 - 8:31

42

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On periodicity of $f(x) = \int_0^x\sin^n(t)dt$ given odd and even $n$.

Published on 06 Feb 2020 - 14:35

50

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How can I compute the phase shift?

Published on 07 Feb 2020 - 16:57

254

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What periodic functions have to do with rational numbers?

Published on 07 Feb 2020 - 20:10

48

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What periodic functions have to do with rational numbers (2)?

Published on 07 Feb 2020 - 20:53

226

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Periodic Function as a Convolution

Published on 27 Mar 2026 - 20:01

44

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Rewrite an integral using periodicity

Published on 15 Feb 2020 - 14:52

1.2k

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Integral of a $2\pi$-periodic function over a $2\pi$-length interval

Published on 17 Feb 2020 - 18:59

213

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Find the unique periodic solution of this equation whose period is $2\pi$.

Published on 18 Feb 2020 - 16:18

List Question

Continuous and periodic function from $\Bbb R$ to $\Bbb R$

Is there a term for functions where $f(x) - x$ is periodic?

Let $f$ be periodic function with fundamental period $\tau$. Prove that function $f(nx)$ have fundamental period $\frac{\tau}{n}$.

Prove $\alpha f + \beta g$ is periodic function with period LCM($\tau_1,\tau_2$).

Are binary sequences defined by recurrence relations eventually binary?

Finding a constant to make this function periodic

Is it true that the continuous $2\pi$-periodic function is almost everywhere differentiable?

On periodicity of $f(x) = \int_0^x\sin^n(t)dt$ given odd and even $n$.

How can I compute the phase shift?

What periodic functions have to do with rational numbers?

What periodic functions have to do with rational numbers (2)?

Periodic Function as a Convolution

Rewrite an integral using periodicity

Integral of a $2\pi$-periodic function over a $2\pi$-length interval

Find the unique periodic solution of this equation whose period is $2\pi$.

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