- 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
- inequality - What does lt; gt; mean? - Mathematics Stack Exchange
What do the less-than and greater-than symbols right next to each other mean? Does it mean either less than or greater than? In other words, not equal? I am trying to understand a book that says th
- 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
- The meaning of various equality symbols - Mathematics Stack Exchange
The meaning of various equality symbols Ask Question Asked 10 years, 6 months ago Modified 9 years, 7 months ago
- What is the meaning of $S^1$ or $S^2$? [duplicate]
So I'm just getting into topology and I see spaces such as $S^1$ or $S^2$ used a lot What is the meaning of $S^1$ or $S^2$? Furthermore, what is meant by the
- linear algebra - meaning of $X=AX$ - Mathematics Stack Exchange
meaning of $X'=AX$ Ask Question Asked 12 years, 9 months ago Modified 12 years, 8 months ago
- What is the meaning of $A^TA$? - Mathematics Stack Exchange
What does it mean if a matrix is multiplied by its transpose? Informally, it seems like $A^TA$ boils a matrix down to its essentials, but can this operation somehow
- What does versus mean in the context of a graph?
I would agree with the rule " [dependent] versus [independent] " The word "versus" can mean "compared with," and it more frequently makes sense to compare a dependent value with its associated independent value, because well, the independent variable doesn't really "care" about the existence of the dependent variable, but the converse relationship is by definition
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