This tag is for questions about the usage and meaning of mathematical terminology and the names for mathematical entities in English.

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1
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3answers
139 views

Word for a “cell” in a 3×3 matrix

In a 2×2 matrix the intersection of a single row and column can be referred to as a quadrant. Is there a corresponding or more general term for a 3×3 matrix?
2
votes
1answer
117 views

Definite article in Maths: “(the) function f”

Is the definite article correct/necessary in sentences like the following? A line that intersects (the) circle C. We can see that (the) function f has a maximum at x=0. Draw a line past (the) edge E. ...
0
votes
1answer
90 views

How did 'up to' evolve to mean 'regardless of', in maths?

Even the OED seems not to have featured it. I couldn't find an explanation on Etymonline. [Wikipedia:] If X is some property or process, the phrase "up to X" means "disregarding a possible ...
-1
votes
1answer
106 views

How to express combinations using “any […] by […]”

I'm writing a text in which I need to repeat combinations of k out of n - for example, "any 2 out of 6" - but I think something the likes of "any 6 by 2" would be more appropriate since the subject is ...
1
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0answers
65 views

Which alternative is best English?

Are there any specific rules in English about how to refer to something that was introduced in the previous sentence? For example, compare these three sentences: Let X and Y be random variables ...
0
votes
0answers
35 views

Word describing “State goes back to original state after state-modifying actions A followed by ~A”

This word is slipping my mind and it is driving me crazy. Not sure if it is a math term or computer science term, but I use it a lot in development (when I can remember it!) Basically, you have the ...
0
votes
0answers
43 views

Nonabelian or non-abelian?

I asked this question on Mathematics Stack Exchange (here) but I haven't had any luck so far. Allow me to copy the question: If I wanted to be scrupulous about correct spelling, is there any reason ...