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 …

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 …

Meaning of “arg min” [closed] Ask Question Asked 13 years ago Modified 6 months ago

What is the meaning of $\exp (\,\cdot\,)$? Ask Question Asked 13 years, 6 months ago Modified 2 years, 6 months ago

I'm doing a research report, and I need to determine a companies assets. So I found their annual report online, and for the assets, it says (in thousands). One of the rows is: Net sales $ 26,234...

I am studying Linear Algebra, I have 3 questions in my mind What does an inverse matrix mean. I am trying to have a meaning of it, but I don't really understand. When a matrix does not have …

What is the meaning of $dA$ in $\iint_E\dots dA$, where $E$ is a region in the $xy$ plane? In some integrals we use $dA=dx\,dy$, but in others $dA=\hat {k}\,dx\,dy$.

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May 23, 2014 · I know how to calculate the dot product of two vectors alright. However, it is not clear to me what, exactly, does the dot product represent. The product of two numbers, $2$ …

As for using the Taylor series, they are particularly useful when you're doing asymptotics of some kind, e.g. computing a limit, trying to understand asymptotic behavior of a function, etc.. Taylor …