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- What is the approximate identity? - Mathematics Stack Exchange
Approximate units are used to verify that two-sided closed ideals of C$^\ast$-algebras are C$^\ast$-algebras themselves Thus quotients of C$^\ast$-algebras are C$^\ast$-algebras as well Approximate units are (as I recall) used to verify the C$^\ast$-identity, which cannot be done (as easily at least) using the unitization
- Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange
$\begingroup$ @Lucian I always took for granted that the "approximately" qualifier acted idempotently, so while we can distinguish between 'exact equality' and 'approximate equality', 'exact approximate equality' is the same thing as 'approximate approximate equality' A world in which this is not true makes me want to stress vomit
- exponential function - Feynmans Trick for Approximating $e^x . . .
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- Approximation of Hessian= - Mathematics Stack Exchange
Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
- inequality - Is there a greater than about symbol? - Mathematics . . .
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 way to
- Approximation of numbers: Am I using ~ correctly?
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 than one symbol, the following exist: ≈, ≃ and ≅
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