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- 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
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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
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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
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Okay this may sound stupid but I need a little help What do $\\Large \\frac{d}{dx}$ and $\\Large \\frac{dy}{dx}$ mean? I need a thorough explanation Thanks
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The meaning of various equality symbols Ask Question Asked 10 years, 6 months ago Modified 9 years, 7 months ago
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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
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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
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