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Questions tagged [terminology]

Questions on the usage and meaning of words in mathematics, the names for mathematical entities, and other such questions.

Terminology is a discipline that studies, among other things, the development of terms and their interrelationships. This tag is intended to be used for questions on the usage and meaning of words in mathematics, the names for mathematical entities, and other such questions.

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The existence of a tuple of integers

Consider a tuple of distinct positive integers of length $n : [a1, a2, a3,\cdots, an]$. If there exists an distinct integer tuple of integers of the same length $n : [x1, x2, x3,\cdots, xn]$. such that their dot product is 0. Then what is the term…
hanugm
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Why is a range of a function commonly designated as E(x)?

Why is a range of a function commonly designated as E(x)? I can understand that domain of a function is written as D(x), but I could not find similar reason about range. If it is derived from latin, could you name the original term?
Elena Gerasimenko
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Meaning of true discount is reckoned on the amount.

What is the meaning of "true discount is reckoned on the amount.". What is meaning of reckoned on. Please give a small example also.
yuluta
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What is an absolutely conformal mapping?

Is it simply a retronym for ‘conformal mapping’ – to insure its distinction from that of an ‘anti-conformal mapping’? A google search for ‘anti-conformal mapping’ brings up also references to articles on ‘absolutely conformal mappings’ (plural), but…
user584285
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Is there a term equivalent to leaf node for parentheses grouping

I am trying to verbally describe how to evaluate a nested group of expressions. What would you call the most-interior group of parentheses as the expression is evaluated? (((a-b)*(c+d)) - e) In graph-theory this would be a leaf-node in the…
SheepPlusPlus
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Terminology: what is a (re)grade

I the article Foundations of Inference by Knuth and Skilling terms "grade" and "regrade" appear, apparently applied to an $\mathbb{R} \mapsto \mathbb{R}$ function (named $\Theta$ in the article). Basic search on wikipedia/google didn't return much.…
Hennadii Madan
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Is there a conventional term for a modification to an equation that makes it false?

Suppose you have an equation like $1+1=2$. Now, if in the next line I say something like "therefore $1+1+1=-3$, then is there a conventional word that is used to describe the way you change an equation such that it then becomes false, whereas it was…
user561159
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What is the notation used when writting the answer to a division in remainder notation?

Not a big problem nor something mind boggoling, I just wanted to know if I were to write the answer for an equation such as 10/4, in remainder notation, would it be fine to write it as 2 r 2, or would I have to write 2 remainder 2?
Brian Blumberg
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Why is "the Jacobian" used to refer to matrix and its determinant?

Wolfram states (where $J$ is the Jacobian Matrix): The determinant of J is the Jacobian determinant (confusingly, often called "the Jacobian" as well) ... Why would people refer to the Jacobian determinant and the Jacobian Matrix by the same name?
spinkus
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What to call the exponent of 10 in scientific numbers?

I'm writing a software API for tracking measurements, and the API has an option for configuring the precision of the values displayed. The configuration is a number that serves as the exponent of a power-of-10 multiplier (i.e. scientific notation);…
phonetagger
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convert this (algorithm?) to computer code

I am trying to learn something new, and this might be the wrong place for it. I have this: and I have a few questions What do you call this, an algorithm? If I want to learn how to read it where should I start how would this translate in to c#,…
Stuart
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Terminology needed: What do you call functions that cannot be applied independently to elements of a set?

I need some glossary guidance here. What do you call measures or operations, such as sample standard deviation, which may change the result of existing elements in a data set when new data is added? Conversely, what do you call operations such as…
Jeremy Leipzig
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Somewhat meaningless questions about notations and wordings in mathematical proofs.

I'm a mathematics major, but I'm not native in English and I have some questions about the "terms" used in mathematical proofs. What's the difference between "It is suffice to show that" and "It is enough to show that"? is it exactly the same…
김현빈
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A name needed related to $\frac23$

I'm working on a problem that many solutions are located at about $\frac23$ of the whole interval $[a,b]\approx[0,N]$, but no solution is close to $\frac13$ of it. I'd like a name for this type of solutions. Now I have ternary solutions trichotomy…
Haoran Chen
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Name of Property: The Order Of Parameters in a Function Does Not Matter

As the title says: I have a function where the order of parameters does not matter. An example would be ADD: ADD(1,2) and ADD(2,1) can be used interchangeably, the order of parameters does not matter. DIVIDE does not carry this property. What is the…
Janothan
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