Question

If periodic function without lowest positive period is continuous then it is constant.

score 102 · Answer 1 · 2021-04-25 21:52:53

102

Views

If periodic function without lowest positive period is continuous then it is constant.

Published on 25 Apr 2021 - 21:52

score 511 · Answer 2 · 2021-04-29 07:22:23

511

Views

What is definition of a periodic function?

Published on 29 Apr 2021 - 7:22

score 341 · Answer 3 · 2021-04-30 20:10:43

341

Views

Why can't we just immediately Fourier Transform the dirac comb? Why do we need to define it's Fourier Series first?

Published on 30 Apr 2021 - 20:10

score 33 · Answer 4 · 2021-05-01 09:42:09

33

Views

Periodic functions of arbitrary groups

Published on 01 May 2021 - 9:42

score 49 · Answer 5 · 2026-03-30 02:08:58

49

Views

Is it possible to determine for what portion of the domain, a function $f_1(x)\cdot f_2(x)\cdot f_3(x)$ is positive?

Published on 30 Mar 2026 - 2:08

score 51 · Answer 6 · 2021-05-08 13:55:17

51

Views

Possibility of a shorter period of a function

Published on 08 May 2021 - 13:55

score 301 · Answer 7 · 2021-05-09 00:52:23

301

Views

What are "interconvertible functions"?

Published on 09 May 2021 - 0:52

score 90 · Answer 8 · 2021-05-12 00:42:03

90

Views

Condition necessary and sufficient in order a function to be periodic

Published on 12 May 2021 - 0:42

score 81 · Answer 9 · 2026-03-27 17:51:38

81

Views

Finding the elliptic function that maps a triangle to the unit circle

Published on 27 Mar 2026 - 17:51

score 124 · Answer 10 · 2021-05-14 10:32:07

124

Views

Finding the period of $f$ if ${f}(x+7)+{f}(x+4)+{f}(x+3)+{f}(x)=1$

Published on 14 May 2021 - 10:32

score 124 · Answer 11 · 2021-05-15 10:08:36

124

Views

lcm of $\frac{2 \pi}{n}$ and $n \pi$

Published on 15 May 2021 - 10:08

score 19 · Answer 12 · 2026-03-29 22:44:20

19

Views

periodic functions, proof that lim x → + ∞ sin(x) does not exist

Published on 29 Mar 2026 - 22:44

score 56 · Answer 13 · 2026-03-25 19:25:35

56

Views

Suitable choices of base functions for periodic signals using Koopman approximation

Published on 25 Mar 2026 - 19:25

score 62 · Answer 14 · 2021-05-22 12:34:34

62

Views

Are functions called 'periodic' only if they repeat on $x\in \mathbb{R}$ .

Published on 22 May 2021 - 12:34

score 100 · Answer 15 · 2021-05-22 20:22:34

100

Views

on a property of continuous periodic functions

Published on 22 May 2021 - 20:22

List Question

If periodic function without lowest positive period is continuous then it is constant.

What is definition of a periodic function?

Why can't we just immediately Fourier Transform the dirac comb? Why do we need to define it's Fourier Series first?

Periodic functions of arbitrary groups

Is it possible to determine for what portion of the domain, a function $f_1(x)\cdot f_2(x)\cdot f_3(x)$ is positive?

Possibility of a shorter period of a function

What are "interconvertible functions"?

Condition necessary and sufficient in order a function to be periodic

Finding the elliptic function that maps a triangle to the unit circle

Finding the period of $f$ if ${f}(x+7)+{f}(x+4)+{f}(x+3)+{f}(x)=1$

lcm of $\frac{2 \pi}{n}$ and $n \pi$

periodic functions, proof that lim x → + ∞ sin(x) does not exist

Suitable choices of base functions for periodic signals using Koopman approximation

Are functions called 'periodic' only if they repeat on $x\in \mathbb{R}$ .

on a property of continuous periodic functions

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