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 …

Feb 25, 2017 · An approximate identity (in the sense that you've described) is a sequence of operators, usually derived from some "nice" class, that converge to the identity operator in the …

One can, for example, approximate continuous functions with polynomial functions, in which case the idea is to keep the area between the original function and the approximating function …

Jan 19, 2022 · Approximate solution to an equation with a high-degree polynomial Ask Question Asked 3 years, 11 months ago Modified 3 years, 11 months ago

Dec 12, 2018 · The Riemann zeta function admits the approximation $$\zeta (s)\sim\sum_ {n=1}^N\frac {1} {n^s}+\gamma (1-s)\sum_ {n=1}^M\frac {1} {n^ {1-s}},$$ in the critical strip, …

Jan 1, 2023 · How to approximate $e^ {-x}$ when $x$ is large Ask Question Asked 2 years, 11 months ago Modified 2 years, 11 months ago

Apr 12, 2016 · I have been wondering for a long time whether there is a unequivocal way to define and use the symbols commonly adopted for an approximate equality between two quantities. I …

Jul 7, 2017 · And he could approximate small values by performing some mental math to get an accurate approximation to three decimal places. For example, approximating $e^ {3.3}$, we …

Aug 2, 2017 · The "and" is a pointer that (a) first we approximate and (b) then we compute exactly. The final result is an approximation only because of (a). Related to this, it is useful to …

Apr 13, 2017 · I'm trying to approximate $\coth (x)$ around $x = 0$, up to say, third order in $x$. Now obviously a simple taylor expansion doesn't work, as it diverges around $x = 0$.