Question

Largest number of different values in $f(0),f(1),..,f(999)$ given $f(x)=f(398-x)=f(2158-x)=f(3214-x)$

score 213 · Answer 1 · 2026-03-29 14:32:45

213

Views

Largest number of different values in $f(0),f(1),..,f(999)$ given $f(x)=f(398-x)=f(2158-x)=f(3214-x)$

Published on 29 Mar 2026 - 14:32

score 29 · Answer 2 · 2020-06-16 11:47:58

29

Views

$f(t)$ $T-$periodic and differentiable veryfiyng that $f(t)\geq 0 \implies f'(t)$ has constant sign, then $f(t)$ has constant sign.

Published on 16 Jun 2020 - 11:47

score 77 · Answer 3 · 2020-06-16 23:32:31

77

Views

If a function $f$ is $L$-periodic and even, then $f'$ has $2$ zeros in $[0,L)$?

Published on 16 Jun 2020 - 23:32

score 46 · Answer 4 · 2020-06-19 12:18:11

46

Views

Period of solutions of ODEs on closed orbits

Published on 19 Jun 2020 - 12:18

score 61 · Answer 5 · 2020-06-20 02:56:14

61

Views

Period of $\sin{2 \pi x} +\sin{\frac{\pi x}{3}} + \sin{\frac{\pi x}{5}}$ using LCM is always the shortest period?

Published on 20 Jun 2020 - 2:56

score 79 · Answer 6 · 2026-03-26 06:22:18

79

Views

Show that length of sine is equal to length of cosine on the same interval.

Published on 26 Mar 2026 - 6:22

score 43 · Answer 7 · 2020-06-22 03:39:53

43

Views

Why will the inclusion of the cosine function introduce a non-periodic term?

Published on 22 Jun 2020 - 3:39

score 100 · Answer 8 · 2026-03-28 14:07:47

100

Views

Solving Laplace's Equation on $(-\infty, 0)\times S^1$

Published on 28 Mar 2026 - 14:07

score 41 · Answer 9 · 2020-06-28 18:24:52

41

Views

Double periodic function from $\mathbb{R}$ to $\mathbb{C}$

Published on 28 Jun 2020 - 18:24

score 134 · Answer 10 · 2026-03-28 15:55:50

134

Views

Is it possible to make velocity time graph periodic?

Published on 28 Mar 2026 - 15:55

score 110 · Answer 11 · 2026-02-23 13:30:20

110

Views

If $f$ is odd and periodic then a translation of $f$ is even?

Published on 23 Feb 2026 - 13:30

score 11k · Answer 12 · 2020-07-02 16:12:33

11k

Views

Is the derivative of a periodic function always periodic?

Published on 02 Jul 2020 - 16:12

score 41 · Answer 13 · 2020-07-03 08:30:39

41

Views

Is this function periodic ? $f:[-30\pi,30\pi] \to [-1,1]$ $f(x)=\sin x$?

Published on 03 Jul 2020 - 8:30

score 91 · Answer 14 · 2026-03-26 06:22:17

91

Views

If $f$ us periodic and even, what I can conclude about of $\int f \;dx$?

Published on 26 Mar 2026 - 6:22

score 232 · Answer 15 · 2020-07-06 18:31:30

232

Views

Existence of certain $2\pi i$-periodic holomorphic function

Published on 06 Jul 2020 - 18:31

List Question

Largest number of different values in $f(0),f(1),..,f(999)$ given $f(x)=f(398-x)=f(2158-x)=f(3214-x)$

$f(t)$ $T-$periodic and differentiable veryfiyng that $f(t)\geq 0 \implies f'(t)$ has constant sign, then $f(t)$ has constant sign.

If a function $f$ is $L$-periodic and even, then $f'$ has $2$ zeros in $[0,L)$?

Period of solutions of ODEs on closed orbits

Period of $\sin{2 \pi x} +\sin{\frac{\pi x}{3}} + \sin{\frac{\pi x}{5}}$ using LCM is always the shortest period?

Show that length of sine is equal to length of cosine on the same interval.

Why will the inclusion of the cosine function introduce a non-periodic term?

Solving Laplace's Equation on $(-\infty, 0)\times S^1$

Double periodic function from $\mathbb{R}$ to $\mathbb{C}$

Is it possible to make velocity time graph periodic?

If $f$ is odd and periodic then a translation of $f$ is even?

Is the derivative of a periodic function always periodic?

Is this function periodic ? $f:[-30\pi,30\pi] \to [-1,1]$ $f(x)=\sin x$?

If $f$ us periodic and even, what I can conclude about of $\int f \;dx$?

Existence of certain $2\pi i$-periodic holomorphic function

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