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Questions tagged [mathematics]

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

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229 views

What does “a declining rate of increase in” mean?

Context: These figures demonstrate a declining rate of increase in arrivals (in 2006, arrivals fell by 4 per cent) and more significantly in receipts, with a significant reduction in per person ...
60 views

What is an equation that consists of a proportionality symbol called? [closed]

When I want to refer to an equation similar to this image, what term should I use? Is it correct to say "Equation 3", although the equation contains a proportionality symbol?
162 views

Say ABCDE is a pentagon. Is “ABCDE” the name of this pentagon?

This could be the start of a maths' exercise: "ABCDE is a pentagon." In french, we would say "nom" (name) of the polygon to refer to "ABCDE", while "nature" of the polygon would refer to "pentagon". ...
586 views

“elements in” vs “elements of”

Let A be a set, which of the following is grammatically correct an element in A, elements in A, a subset in A, subsets in A, or an element of A, elements of A, a subset of A, subsets of A? I have ...
74 views

How do I call the operands in a modulo operation?

In an equation 7 - 3 = 4, the 7 is called minuend and the 3 is called subtrahend. Then what are the appropriate terms for the 7, 3, 1 in 7 ≡ 1 (mod 3)?
1k views

Abbreviate Exercise(s), Example(s), Lemma(s)

In mathematical texts, we sometimes shorten "Definition" to "Def." and "Definitions" to "Defs." when used with numbers, e.g.: According to Defs. 1, 2, and 4, ... We sometimes use similar ...
207 views

Which words are prevalent in relation to mathematics: task, exercise, question or problem

When we are talking about an exam or end-of-term test in mathematics, is it more common to describe the main parts of a problem set as: Tasks Exercises Questions Problems and what is the proper name ...
169 views

Applications to …?

I want to express in that something has applications in a related field. Is applications to partial differential equations correct or is is necessary to change the preposition?
64 views

a word for algebraic symmetry

There is the algebraic expression a+b+c. If we replace under the rule {a->b, b->c, c->a}, the expression is left unchanged. But for expressions like 2a+b+c, the replacement will change the expression. ...
42 views

How do I describe a rotation of a triangle in natural language clearly and concisely?

I am asking for a formula for the rotation of a triangle in this post I am concerned about if I describe the question clearly and concisely, by saying which formula could be used to get the x ...
102 views

Is there a name indicating the following graph?

I know that the following graph is called a "Histogram". On the other hand, what ist the name of the following graph? I think this is one of the most common graphs, but I do not know this graph's ...
49 views

How to interprete a vector which “pointed down the middle of the data”?

In this tutorial (line three) it is hard for me to interpret what "point down the middle of the data" means. I know from the tutorial the mentioned vector (doted line in the following plot) is the one ...
76 views

Should I use “the” or not?

I have a set of values that form a triangle. I want to investigate how the positions of these values affect their denominators. Should I say relationship between the element number and the its ...
15 views

Proximizable or proximitizable?

Math terminology: uniformity → uniformizable proximity → proximizable? or proximitizable?
49 views

introducing two equivalent adjectives

Let us consider the sentence We will study certain lattice, or discrete, particle systems. Let me explain what I am trying to say here. For my potential reader the expressions "lattice particle ...
2k views

differentiating between correlation and a temporal relationship

Could you please through two simple example show me the difference between these? a significant correlation between the occurrence of two phenomena (both phenomena generally occur together), or a ...
129 views

Can I say “vector sizes”?

I want to say "size of vectors" but instead of using "of" I want to use something like "vector size" but in the plural form what should I say? Is "vector sizes" right form?
23 views

Using the verb “write” instead of “denote”

Mathematicians often use the phrase "Denote the object X by the symbol Y". For example, I usually denote the set of numbers 1,2,3,4... by the boldface letter N. However a friend of mine uses a ...
26 views

Which one is more grammatical, “5 of them are 0” or “5 of them are 0s”?

this question comes from this post. In this specific case, the Σ contains six given values, and 5 of them are 0 in this context, which one is more grammatical, "5 of them are 0" or "5 of them ...
29 views

Usage of “it is” in formal, mathematical language

I have come across a scientific paper written by non-native speakers where some mathematical formulas are introduced by "it is". For example: Proof of Theorem X. Assume xyz. [Long mathematical ...
21 views

looking for an alternative verb: computing the ratio of A and B

Maybe this is the native German speaker in me, but I am looking for an alternative verb to use, when I want to write: We compute the ratio of A and B. I am not happy with the verbs to compute/to ...
55 views

percentage, rate, or ratio which is correct?

My salary for last month was \$1,000 and for this month was \$1,100, that is, my salary increased by 10%. In this case, which of the following is correct? The rate/ratio/percentage of change in my ...
100 views

how to use"this mathematic expression? [closed]

I know the sentence below is incorrect , but would you please correct me? By this I mean the expression is not workable for the formula, so we must use it in another equations, not formula. 'This ...
28 views

Doubt on the construction of a sentence

I am writing a document with some mathematics and I need help with the construction of a sentence. Is it correct to write "the function f measures the failure of the space M to be smooth"? I am not ...
199 views

Does “Higher than 30% of stick A” include the full height of stick A and more?

Let's assume I have a guide to cut 2 sticks Stick A should has 100cm of length. Stick B should has length higher than 30% of stick A. So if we calculate, 30% of stick A is 30cm. Is it: Stick A: ...
24 views

“What is the probability both houses will be completed after 7 weeks?” meaning

When the question asks if the houses will be completed "after 7 weeks", someone says; it isn't asking if it will take greater than 7 weeks to complete the houses. "After 7 weeks" means "as soon as ...