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What does tilde on top of functions mean in fourier series and fourier transforms?

score 1.4k · Answer 1 · 2026-03-26 08:00:40

1.4k

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What does tilde on top of functions mean in fourier series and fourier transforms?

Published on 26 Mar 2026 - 8:00

score 33 · Answer 2 · 2019-07-08 08:24:25

33

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Notation $\ker S = \mathbb{R}\{a_j\}$ not clear to me

Published on 08 Jul 2019 - 8:24

score 82 · Answer 3 · 2026-03-26 01:26:57

82

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Describe Number Naturally

Published on 26 Mar 2026 - 1:26

score 209 · Answer 4 · 2019-07-09 11:07:14

209

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Specifying the universe of discourse

Published on 09 Jul 2019 - 11:07

score 961 · Answer 5 · 2019-07-09 13:09:15

961

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Matrix of the form $E_{ij}$ where $i$ and $j$ are positive integers

Published on 09 Jul 2019 - 13:09

score 170 · Answer 6 · 2019-07-09 23:20:56

170

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What is the meaning of $\mathbb{R}_{++}$?

Published on 09 Jul 2019 - 23:20

score 84 · Answer 7 · 2026-04-01 06:33:31

84

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Definition 2.1. Chapter 3 - Do Carmo's Riemannian Geometry

Published on 01 Apr 2026 - 6:33

score 403 · Answer 8 · 2019-07-10 08:34:34

403

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Notation for elements nested within elements of a set?

Published on 10 Jul 2019 - 8:34

score 33 · Answer 9 · 2019-07-10 09:22:33

33

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What is $\chi _{[-.5,.5]} (x)$ notation in textbook?

Published on 10 Jul 2019 - 9:22

score 512 · Answer 10 · 2019-07-10 22:31:29

512

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What does the notation $D = \mathrm{diag}(W\cdot1)$ mean?

Published on 10 Jul 2019 - 22:31

score 439 · Answer 11 · 2019-07-11 06:50:46

439

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What is the correct notation of nested sigma (summation) signs?

Published on 11 Jul 2019 - 6:50

score 163 · Answer 12 · 2019-07-12 05:49:22

If I wanted to generate a sequence of elements using the element position in the sequence as a variable, how would that variable be written?

score 62 · Answer 13 · 2026-04-03 14:32:18

62

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I am facing problem in understanding math symbol?

Published on 03 Apr 2026 - 14:32

score 140 · Answer 14 · 2026-03-26 16:11:08

140

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Multiplication subscript

Published on 26 Mar 2026 - 16:11

score 606 · Answer 15 · 2026-03-28 13:41:49

606

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Confusion about Notation of the Cardinality of a Set

Published on 28 Mar 2026 - 13:41

List Question

What does tilde on top of functions mean in fourier series and fourier transforms?

Notation $\ker S = \mathbb{R}\{a_j\}$ not clear to me

Describe Number Naturally

Specifying the universe of discourse

Matrix of the form $E_{ij}$ where $i$ and $j$ are positive integers

What is the meaning of $\mathbb{R}_{++}$?

Definition 2.1. Chapter 3 - Do Carmo's Riemannian Geometry

Notation for elements nested within elements of a set?

What is $\chi _{[-.5,.5]} (x)$ notation in textbook?

What does the notation $D = \mathrm{diag}(W\cdot1)$ mean?

What is the correct notation of nested sigma (summation) signs?

If I wanted to generate a sequence of elements using the element position in the sequence as a variable, how would that variable be written?

I am facing problem in understanding math symbol?

Multiplication subscript

Confusion about Notation of the Cardinality of a Set

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