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 …

Jun 25, 2014 · I have started seeing the "∈" symbol in math. What exactly does it mean? I have tried googling it but google takes the symbol out of the search.

Dec 22, 2020 · I have encountered this when referencing subsets and vector subspaces. For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've …

May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 5 months ago Modified 9 years, 5 months ago

Feb 19, 2015 · It's an abbreviation of quod erat demonstrandum, which is the Latin translation of a Greek phrase meaning "which had to be proven". To the ancient Greeks, a proof wasn't …

Feb 2, 2024 · Uniform vs normal convergence - meaning Ask Question Asked 1 year, 8 months ago Modified 1 year, 8 months ago

Feb 11, 2015 · At first English is not my native language if something is not perfectly formulated or described I'm sorry. Could somebody please tell me what the generally valid statement of this …

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 currently learning about the concept of convolution between two functions in my university course. The course notes are vague about what convolution is, so I was wondering if anyone …

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, $2$ …