List questions from notation

Published on 14 Apr 2026 - 16:44

39

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Correct to write $\vec{F}:\mathbb{R}^3\rightarrow\mathbb{R}^3$?

Published on 15 Apr 2026 - 17:28

91

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What does the notation $\int_A$ mean, where $A$ is an event in a probability space?

Published on 17 Apr 2026 - 15:02

213

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What does $\frac{d^2 u}{dt^2}$ mean?

Published on 14 Apr 2026 - 20:00

7.8k

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What are "tan" and "atan"?

Published on 09 Apr 2026 - 5:00

72

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What does $x_e$ mean in $I(x_e,y_0)$?

Published on 17 Apr 2026 - 2:10

140

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Confusion with seeming lack of notational coherence between $\sin^{-1}(x)$ and $\sin^2(x)$

Published on 14 Apr 2026 - 21:49

2.4k

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Notation (or Name) of the function which is $0$ at $x=0$ and $1$ otherwise

Published on 16 Apr 2026 - 0:03

42

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"+" operator placed as index

Published on 08 Apr 2026 - 20:52

559

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Index notation.

Published on 17 Apr 2026 - 6:52

3.1k

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I thought the | symbol meant "divides by", but in set theory, does it mean something different?

Published on 13 Apr 2026 - 7:55

113

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What deos $\mathbb{C}I$ mean?

Published on 11 Apr 2026 - 11:35

3.9k

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What does $d\log\left(\frac{y}{x}\right)$ mean mathematically?

Published on 15 May 2026 - 11:34

1.2k

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Why are fields denoted by $\mathbb{K}$?

Published on 14 Apr 2026 - 12:33

50

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Expressing the Solution to a System of Differential Equations

Published on 06 May 2026 - 4:28

List Question

What does $\sim$ in $X\sim \mathcal{N}(\mu,\sigma^{2})$ really mean?

Correct to write $\vec{F}:\mathbb{R}^3\rightarrow\mathbb{R}^3$?

What does the notation $\int_A$ mean, where $A$ is an event in a probability space?

What does $\frac{d^2 u}{dt^2}$ mean?

What are "tan" and "atan"?

What does $x_e$ mean in $I(x_e,y_0)$?

Confusion with seeming lack of notational coherence between $\sin^{-1}(x)$ and $\sin^2(x)$

Notation (or Name) of the function which is $0$ at $x=0$ and $1$ otherwise

"+" operator placed as index

Index notation.

I thought the | symbol meant "divides by", but in set theory, does it mean something different?

What deos $\mathbb{C}I$ mean?

What does $d\log\left(\frac{y}{x}\right)$ mean mathematically?

Why are fields denoted by $\mathbb{K}$?

Expressing the Solution to a System of Differential Equations

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