- What is the meaning of ⊊? - Mathematics Stack Exchange
I have encountered this when referencing subsets and vector subspaces For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've gathered Is ⊊ a sort of ≤ or lt
- Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange
In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B
- notation - What does ∈ mean? - Mathematics Stack Exchange
I have started seeing the "∈" symbol in math What exactly does it mean? I have tried googling it but google takes the symbol out of the search
- What is the meaning behind - Mathematics Stack Exchange
I was confused about what the dot product represents and I think I have grasped that now from this post What does the dot product of two vectors represent? However, I still cannot understand wha
- Meaning of $f (x, \cdot)$ - Mathematics Stack Exchange
Meaning of $f (x, \cdot)$ Ask Question Asked 9 years, 11 months ago Modified 9 years, 11 months ago
- what is the meaning of $F_\\sigma$ and $G_\\delta?$
An $F_\sigma$ set is a set that is the countable union of closed sets and a $G_\delta$ set is a set that is the countable intersection of open sets
- linear algebra - Meaning of $x^T A x$ - Mathematics Stack Exchange
I've seen the term $x^T A x$, where $A$ is a square and usually symmetric matrix, come up in a bunch of different areas of linear algebra Places I've seen it include
- linear algebra - Meaning of an $a^T$ - Mathematics Stack Exchange
Meaning of an $a^T$ Ask Question Asked 7 years, 1 month ago Modified 7 years, 1 month ago
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