
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...
Approximate functional equation for the Riemann zeta function
Dec 12, 2018 · Approximate functional equation for the Riemann zeta function Ask Question Asked 6 years, 11 months ago Modified 6 years, 11 months ago
Approximate solution to an equation with a high-degree polynomial
Jan 19, 2022 · Approximate solution to an equation with a high-degree polynomial Ask Question Asked 3 years, 10 months ago Modified 3 years, 10 months ago
What exactly is "approximation"? - Mathematics Stack Exchange
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 …
What is the approximate identity? - Mathematics Stack Exchange
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 …
When should we write $\approx$ (approximately symbol)?
Perhaps the correct option (and the one I am currently using) is $ (3)$ because of the transitivity of the symbols of equality $=$ and approximately $\approx$.
Is there a "greater than about" symbol? - Mathematics Stack Exchange
Aug 12, 2015 · To indicate approximate equality, one can use ≃, ≅, ~, ♎, or ≒. I need to indicate an approximate inequality. Specifically, I know A is greater than a quantity of approximately B. Is there a …
exponential function - Feynman's Trick for Approximating $e^x ...
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 …
Approximate $\coth (x)$ around $x = 0$ - Mathematics Stack Exchange
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 $x = 0$.
real analysis - How to approximate $e^ {-x}$ when $x$ is large ...
Jan 1, 2023 · When the value of $x$ is small, such as when $x$ is less than $1$, we can use the Taylor series to approximate its behavior. The first few terms of the series often ...