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...

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 sense that you …

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 small. One can …

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

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 am a …

Jan 1, 2023 · How to approximate $e^ {-x}$ when $x$ is large Ask Question Asked 3 years ago Modified 3 years ago

Jan 18, 2015 · I'm trying to approximate coth(x) coth (x) around x = 0 x = 0, up to say, third order in x x. Now obviously a simple taylor expansion doesn't work, as it diverges around x = 0 x = 0. I'm not quite …

Aug 16, 2017 · Let's say a number 998. I might approximate using the following ~1k. 1k is not definite number but it's more or less very close. Is this the correct way of using ~? I noticed there are more …

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 tell students that …

Oct 2, 2018 · Recently, I've seen a YouTube video where they approximate square roots real quick. They use this approximation : $$\\sqrt{x} \\approx \\lfloor \\sqrt{x} \\rfloor+ ...