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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How to explain this sentence?

What is the best sentence to use instead of the following sentence: Fill up the output array, using the computed new value using -1 value from the calculation array as the index of the output array. ...
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1 answer
18 views

What does "which" mean in this sentence (math)?

For the positive integers a, b, c, and d, a is half of b, which is one-third of c. The value of d is three times the value of c. Does this mean that a=b/2, and a=c/3, or does this mean that a=b/2, ...
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1 answer
26 views

How to pronounce "-1"

A mathematical expression like 1-2 is pronounced one minus two. "Minus" here refers to the mathematical arithmetic operation of subtraction. The following expression -1-2 seems sometimes ...
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2 answers
28 views

In maths, should I write "at a point" or "in a point"

In another question I posted this evening, a comment indicated that my use of "a/in" is wrong. Consider the following two sentences that could appear in a mathematics test: Compute the ...
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"In the point (1,2)" or "In point (1,2)"?

In questions from a mathematics test, what is the correct phrasing of the following sentence? Compute the function value in the point (x,y)=(1,2). Compute the function value in point (x,y)=(1,2). ...
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-2 votes
1 answer
31 views

How to properly define what I want to say? [closed]

I'm struggling to write a concise definition of beauty(n) Suppose we have a number consisting of an even number of digits like 12, 1234, 123456. Examples: beauty(1234) = 12 + 34 = 46. beauty(123456) = ...
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0 answers
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Expressions of multiplication

Five times three equals 15. Five multiplied by three equals 15. As I know, multiplication is an operation that consists of calculating the result of adding up the multiplicand as many times as ...
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1 answer
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"Lebesgue measure" or "the Lebesgue measure" - omitting the definite article or not?

I noticed that many people sometimes omit the definite article before "Lebesgue measure". Some examples: "suppose that m is Lebesgue measure on R, "we will construct Lebesgue ...
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0 answers
20 views

"define A as B" vs "define B as A" vs "define as A B"

Which is correct among the following? We define f(x)=blah blah balh (equation) as/by blah blah blah (description). We define blah blah blah (description) as/by f(x)=blah blah balh (equation). We ...
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  • 479
0 votes
3 answers
105 views

Qutation marks in American English for emphasis and bracketing: single or double? [closed]

Suppose you write a mathematical text in American English that quotes from various sources (other literature and itself) and emphasizes and brackets stuff. You've already used up your font gimmicks (...
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2 answers
50 views

Imperative: how to distinguish independent clauses and a compound predicate?

Consider the following imperative-sentence structure Do 𝑋 and do 𝑌. (Source: https://www.chicagomanualofstyle.org/qanda/data/faq/topics/Commas/faq0067.html ) where I believe (but do not know this ...
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11 votes
4 answers
3k views

“Let for each 𝑗” vs. “For each 𝑗 let”

I wrote Let for each 𝑗 < 𝑛 a permutation ℎ𝑗 : 𝐿 ↪ 𝐿 be given. A proofreader (whom I can no longer ask) changed it to For each 𝑗 < 𝑛, let a permutation ℎ𝑗 : 𝐿 ↪ 𝐿 be given. This ...
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1 answer
31 views

Comma before “and” separating two nontrivial items?

Consider the sentence The net simulates programs with at least 𝑓(𝑥) copies of each 𝑥 ⊆ 𝑆 with 𝜑(𝑥) (,) and exactly 𝑓(𝑥) copies of each 𝑥 ⊆ 𝑆 with 𝜓(𝑥). The parens around the comma mean ...
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2 answers
26 views

Comma before “and” separating two short independent math statements?

Consider a typical mathematical sentence defining two tuples: (s_i)_{i=1}^n and (t_i)_{i=1}^n: Let (s_i)_{i=1}^n = X (,) and (t_i)_{i=1}^n = Y. The parens around the comma mean that it's unclear ...
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1 vote
2 answers
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How to express a half of an axis?

In my paper, a half-line extending from coordinates (x,y) at an angle of Theta to the x-axis is called an HL; and an axis containing this HL is called a T-axis. Hence, the HL is the same as the half ...
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-3 votes
2 answers
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If we let "a" be 2, and "x" be 1.4, we have the following [closed]

I want to know which of the following sentences sounds more natural and correct: a + x = y #1. If we let "a" be 2, and x be 1.4, we have the following: 2+1.4 = y #2. If we let "a" ...
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0 votes
1 answer
21 views

What is the correct phrase for solving mathematical problems?

While attempting and solving maths problems, do we "Do" those problems? Is the usage "While doing algebra in high school" the correct phrase to convey that I have been taking a ...
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0 votes
1 answer
10 views

"explanations on topics related to mathematics" or "explanations of topics related to mathematics"

Which sentence is the most appropriate ? #1 - Short explanations on topics related to mathematics #2 - Short explanations of topics related to mathematics #3 - Short explanations on topics related ...
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1 vote
1 answer
36 views

""a" and "b" depict the y-coordinate of each end point respectively of the curved line."

I am writing something about cubic interpolation. An end point is a 2d point with coordinates (x,y). A curved line only has two end points, the starting point and the ending point. Which of these ...
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0 votes
1 answer
38 views

a number's whole part and fraction part's name in English

I'm not sure if I need to ask this in the math site or here. I'm actually a developer and I searched many websites to find out what the whole and fraction part of a number is called in English (naming ...
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0 votes
4 answers
49 views

How to verbally express this mathematical formula? [closed]

I am going to deliver a tutorial. However, I am not sure how to express some formulae verbally in a correct way. Could you please help me?
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2 votes
1 answer
41 views

definite or indefinite article for new term that described in other paper?

When we present a term for the first time with reference to another article, should we use definite or indefinite article? (without reference, we should use indefinite article) Example (The Hilbert's ...
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1 answer
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The meaning of unless in sentence [closed]

While reading a book I encountered a sentence For a nonzero integer n, there is an even number of positive divisors of n unless n is a perfect square What does it mean by unless n is a perfect ...
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1 answer
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Is the noun phrase 'side lengths to the nearest tenth' grammatically correct?

Here is a sentence extracted from the entire question sentences, one from this exercise page on Khan Academy. The following figure shows △ABC with side lengths to the nearest tenth. I thought the ...
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2 answers
67 views

How do I express a line in math?

I want to express the above red line in a formal English. A line in the theta direction from (x0,y0). Is the above expression correct?
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5 votes
9 answers
3k views

Is "100% correct pronunciation" an understandable, correct, and proper English expression?

If I put "100% correct pronunciation" in the following sentence, is it understandable and correct? "100%" is what I would like to emphasize. If it is not right, how should it be ...
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28 votes
5 answers
5k views

Why don't we use articles for variables in math problems?

Why do we write: solve for x and not solve for an/the x or Where t represents the number of tickets and not Where the t represents the number of tickets
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0 votes
1 answer
58 views

How do you pronounce two variable values listed one on top of the other? [closed]

Long story short I need to figure out how to verbalize this equation:
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0 votes
0 answers
17 views

Authors hyphenated in science and hyphen with adjectives

I am writing a mathematical research paper and in our area when a result is due to two (or more) authors one uses the two names with a hyphen (for example Mather-Gaffney criterion or Abel-Jacobi ...
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1 vote
1 answer
32 views

value of variables "is" or "are" same

We have x=12 and y=12 . How should we write: The value of x and y are same and equal or The value of x and y is same and equal
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-1 votes
1 answer
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Is ‘half half’ ambiguous?

50-50 Ex) There are half half milk and water. = there are 50:50 milk and water. 1/4 Ex) There is half half water. = there is 1/4 water. Is it right?
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0 votes
2 answers
23 views

Plurality of fraction that has an assigned mathematical symbol

I am aware of the general rule that the plurality of a fraction matches the plurality of the thing it modifies, as in “a fraction of investors are informed.” Does this change when I assign a ...
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-4 votes
1 answer
42 views

How to interpret a "math word" question [closed]

Thank you for your time. Please take a look at an LSAT sentence below: THE CPUE, i.e. "catch per unit effort," for any species of shark is the number of those sharks that commercial fishing ...
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2 votes
1 answer
53 views

"A intersects B at C" or "A and B intersect at C"?

Two expressions for using the word "intersect": "A intersects B at C" OR "A and B intersect at C", Which one is more natural?
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3 votes
1 answer
428 views

'The equation reads' or 'the equation reads as'?

In many physics and mathematics texts equations are introduced using the verb 'to read'. For example, in an article on electrodynamics you might find one of these three phrases: Maxwell's equations ...
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1 vote
1 answer
21 views

Can one “refine” an equation to different form?

In my native language, we often talk about (what could be literally translated as) “modifying” or “refining” mathematical equations and expressions into a different form. Example sentences could be ...
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1 vote
1 answer
78 views

the form of dt - Is the pronunciation the same?

Here are the same Schrödinger equations with different forms of "d" - the first one is a curved form. The question of this thread is: Do you pronounce this curved form of "d" still ...
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1 vote
2 answers
39 views

Explaining the process where "x*(a-b) < ac-bc" becomes "x < c" by dividing both sides by (a-b)

I would like to explain the process that an expression "x*(a-b) < ac-bc" becomes an expression "x < c". I think one of the following would be correct according to my googling ...
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13 votes
8 answers
5k views

What does "Write code that creates a list of all integers from 50 to the power of 300." mean?

I'm trying to figure out what the sentence below means. Write code that creates a list of all integers from 50 to the power of 300. I'm struggling with the "from 50 to the power of 300" ...
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1 vote
1 answer
307 views

'is equal to' versus 'equals' when reading '=' in math

Even though this question is about too basic a thing, I'd like to ask due to the significance it holds in math. And this question might have a duplication issue as in other questions like Why do so ...
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5 votes
5 answers
738 views

When italicizing, do I have to include 'a,' 'an,' and 'the'?

For example, I want to emphasize the term 'multi-channel non-orthogonal multiple access scheduling problem' in the following statements. Based on (1), (2), and (3), the multi-channel non-orthogonal ...
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  • 479
0 votes
0 answers
118 views

Dilation vs dilatation

I am curious about the usage of words "dilation" and "dilatation" in mathematics. I believe they mean exactly the same thing and wonder which one to choose. Here is an article on ...
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  • 163
0 votes
1 answer
27 views

Rephrasing "which is nothing but"

Is there a better way to rephrase the following sentence in math writing to be more suitable and professional for an academic paper. ... and C=[x1 , x2 , x3] is the optimal interval which is nothing ...
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1 vote
1 answer
1k views

What does "subtract A to B" mean?

I am a little confused about this specially when answering arithmetic problems. Help me with this: what does "subtract A to B" mean? A-B B-A
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0 votes
3 answers
284 views

A term to explain a matrix that is mirror reflection of the input

What is the correct word to say that we have put everything that is in the right to the left and every thing that is placed in right to the left, while preserving the order in the opposite manner. ...
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7 votes
3 answers
2k views

What's the natural way to express raising to the power of 2 (e.g.5²) and higher exponents (5³ and , 5⁴)?

What's the way/s that native English speakers say this number (52) in words? Is there a shorter way than "Five to the power of 2"? For example: If you take 52 (in words?) and divide it ...
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0 votes
2 answers
1k views

Is "multiply to" correct?

Can I write "A is multiplied to B"? The general sentence is "B is multiplied by A", which has the same meaning above. I could not find any example in the internet, Thanks.
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1 vote
2 answers
24 views

"As infinitely many as..."?

The following sentence is from my discrete mathematics textbook: Each rational number has as infinitely many representations as a ratio. Is this correct? Are there various degrees of infinitely many, ...
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-1 votes
3 answers
69 views

How to read mixed operations in English

Can you tell me how to read mixed operations in English, like (14+4)÷2, 14×4+2, 14×(4+2)?
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43 votes
10 answers
20k views

How do I say “±” in English?

From here I thought: mathematical equation: 1 ± 1 - We can say "plus or minus one". Could I omit "or" to say "plus minus one"? a signed mathematical number: ± 1 - We ...
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