Questions tagged [mathjax]

For questions about MathJax, which is used to write mathematics on Stack Exchange sites.

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6
votes
1answer
188 views

pre-viewing mobile answers

This meta-posting is intended to serve as a combination query + feature-request. I do not have a mobile device; I think that this posting needs input from users who do have a mobile device (e.g. ...
5
votes
1answer
168 views

The command \tilde messes up with subscripts.

Have you encountered a spacing problem with the command \tilde? To show what I mean, let's take a look at $\tilde{f}_{k}$ and $f_k$. Do you notice that the ...
5
votes
2answers
81 views

Aligning own operator with limits in MathJax (bug or not?)

I want to create an own operator with limits which would be analogous to $$\sum_{i=1}^k\, \text{or}\, \prod_{i=1}^k$$ in the sense that the limits should be in the exact same position, but there ...
1
vote
1answer
62 views

Writing Math equations in MSE. [duplicate]

How do I write the mathematical equations in a question, here on stack exchange? When I try to write a question which involves equations, I get stuck as I don't know how to input those equations... ...
0
votes
1answer
97 views

Mathjax fonts ttf file download link needed [closed]

Long time ago, I was a regular attendee of math.stackexchange and then probably from the meta site, I found a web link (probably github link) to lots of mathjax fonts '.ttf' files for my pc. Those ...
0
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1answer
100 views

mathjax not rendering anywhere in firefox

Some days ago I just started to see dollar signs instead of any latex equation what should I do now I use a windows 7 pc and I have switched my browser many times and cleared cache none of them seemed ...
3
votes
2answers
113 views

How to type =|| = in MathJax?

I want to type the following symbol (for logical equivalence): Some editors have the command \DashvDash available, but SE's MathJax doesn't. Alternatively, the ...
2
votes
1answer
60 views

Math numbers rendered as FaceTime phone number

In a recent answer of mine, I noticed that a chain of equations renders correctly on my laptop but incorrectly on iPad and iPhone. The iPad/iPhone treats a particular number as if it is a phone number....
1
vote
1answer
98 views

$\rm\LaTeX$ align code is not working properly.

Recently I had answered a question. I had used the $\rm\LaTeX$ command \begin{align}...\end{align} but the equations are not perfectly aligned. This is the code I ...
-11
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2answers
234 views

Should we write every constant upright?

This post comes out because some of my edit was rejected. I honestly think we should use upright letter for specific mathematical constant. For example I think $\operatorname i$ is the immaginary ...
5
votes
3answers
171 views

How can I typeset blackboard bold numbers?

How can I typeset blackboard bold numbers? What I need is simply something like $\mathbb A$ (\mathbb{A}) but with A replaced ...
4
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2answers
80 views

How do I delete the spacing for the equation below?

How do I delete the spacing between $\lambda_{A}$ and the parenthesis in the equation below? $$\lambda_{A}\left(\bigcup\limits_{i=s}^{t} S_i\right)$$
5
votes
1answer
105 views

How to remove space between rows in MathJax? (Clean checkerboard pattern?)

I'm trying to draw a checkerboard (chessboard) pattern, but there is a problem. Is it possible to draw it, such that there is no space at all, between rows and columns? Failed attempt one: (rows and ...
0
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3answers
81 views

Chevron in MathJax

How do I write a chevron/circum (^) in MathJax? A backslash doesn't work as an escape character. (Specific context: using x^y to mean XOR as in $x\oplus y$. It's not my choice of notation so don't ...
4
votes
2answers
155 views

How do I label the rows/columns of a matrix in MathJax?

$$ \qquad \quad \ \ 1 \ \ \ \ 2 \ \ \ \ \ 3 \ \ \ \ 4 \ \ \ \ 5 \ \ \ \ \ \\ A = \begin{bmatrix} h & e & l & l & o \\ m & s & e & * & * \\ m & e & t & a &...
1
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0answers
47 views

Latex not rendering regardless of browser

As the title says the math formatting doesn't show regardless of the browser or device I'm using. However changing the network with Vpn or mobile network solves the problem for some browsers so I the ...
1
vote
1answer
103 views

How to write h-bar (Planck constant divided by 2 $\pi$) using MathJax?

In this question I wrote $$|\mathbf{k_{scat}}| = \frac{2 \pi}{h} \sqrt{2 m_e e V}$$ where $h$ is the Planck constant. In physics we have h-bar which is $h/ 2 \pi$ but I don't know how to add h-...
1
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1answer
67 views

How to put two functions in one brace?

This is what I want. Can you please help me?
1
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0answers
40 views

alignment is not working.

I tried like this. \begin{align} y_{p} &= $\ \frac{1}{D^2+D} (8cos2x-4sinx)\\$ &= $\ \frac{1}{D^2+D} 8cos2x$ -$\ \frac{1}{D^2+D} 4sinx\\ $ &= $\ 8\frac{1}{-4+D}cos2x$ - $\ 4\...
1
vote
1answer
57 views

How to write 'x is not converging to 0'?

To write 'x converges to 0' I can use x\to 0 that produces $x\to 0$. But how do I write "x does not converge to 0'? I need to strike out $\to$. Well cancel package ...
2
votes
1answer
116 views

Does MathJax really not recognize cosec?

I tried to get the trig function cosec in MathJax, but it comes out as $\cosec$. In contrast, it works perfectly well for sec: $\sec$. Of course, one can always use \operatorname{cosec} as a ...
6
votes
0answers
76 views

LaTex underbrace not displaying correctly

For some reason, this is what I'm seeing whenever an underbrace is supposed to be displayed on a post on this website: It looks like some sort of cropped out icon. It's weird because it doesn't ...
1
vote
1answer
99 views

spurious slash causes \, to be misinterpreted

Note: In the submitted version of the question, the comma is no longer being displayed – but when I edit the question, it’s displayed again in the preview. I encountered a strange bug (at least ...
2
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0answers
74 views

How do you type Mathjax faster?

I am notorious for asking questions, but I would like to increase my answers rapport. I find it mainly that sometimes the questions on my level of math are taken up by higher math users who can type ...
4
votes
0answers
54 views

MathJax: Bottom entries in a matrix cut off

Has there been any sort of MathJax update? In this answer I see the denominators in the bottom two entries of this matrix are partially cut off. I do not remember seeing this behavior before. I just ...
3
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0answers
45 views

What do you do when, in editing with MathJax, what you see in the preview is OK but the result is all messed up?

I tried to edit this answer. When the preview looked OK, I saved the edit, but the actual outcome was a mess. I tried various workarounds, but each time the result, despite a good preview, was worse ...
1
vote
1answer
66 views

Text within curly braces (mathjax).

Hi: I was defining a set with curly braces and put some words in between. For instance: {f: for all x, f < x}. If I enclose all between dollar signs (ds) the text will be poorly legible. Let's ...
9
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2answers
324 views

Mathematical Alphanumerical capital I symbol

I'm looking to type this that I saw in a pdf document. However, when I google the mathematical alphanumerical symbols on Wikipedia, it has symbol styles for other letters, but I seems to be reserved....
-4
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1answer
59 views

How to write appropriate numbers in non of math, physics and chemistry sites in stackexchange? [closed]

in my question in my ell.stackexchange account, I want that look like user$20445$ instead of user20445. How can I do this? I am not comfortable with these inappropriate numbers.
0
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0answers
58 views

Why the definitions of $P(n)$ and $C(n)$ go over the usual borders of the question-box and how to fix this issue?

When you observe this question: Primitive Pythagorean triples and the limit of two counting functions, is this limit equal to $0$ or not? you´ll understand what issues I am asking about how to fix. ...
0
votes
1answer
75 views

How do I re-enable MathJax after turning it off?

I accidentally turned off MathJax on a comment so I could see the LaTex source, and I don't know how to turn it back on again. I turned it off by right clicking in my browser, but now when I right ...
13
votes
3answers
405 views

How to best format the question mark that immediately follows an equation in a question sentence?

Searching for "punctuation after equation" didn't turn up anything here so I'll post this as a new question. This question (on a different site) in its entirety: I was wondering where does the ...
12
votes
1answer
506 views

Are there any tools to automatically correct math formulas?

I am a person who prefer standard formula, so I often edit the formula to make it look better. But I find most of the mistakes or malformedTeX writing have repeated pattern. For example: ...
14
votes
1answer
375 views

Is there some way to include some default text quickly in a post?

Question. Is there something which would make possible to quickly include predefined text in a new post I start writing. (For example, some bookmarklet for this - with a bookmarklet, one click could ...
3
votes
1answer
166 views

Mathjax format for combinatorials

Could someone direct me to a source that explains how to format combinatorial expressions, eg rCn in Mathjax? Like. n r thanks ralph
22
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1answer
340 views

What tools can be used to extract MathJax/LaTeX from scanned input?

Some users post question (and sometimes also answers) which contain text and formulas as images. Often some other users help with retyping the questions into properly formatted text and MathJax ...
4
votes
1answer
112 views

Period in a wrong position when Mathjax is viewed on iPhone

Consider Explicit upper bound on the number of irreflexive binary relations on {1,…,𝑛} up to isomorphism In the last sentence, after the last aSb, I see a period when viewed on the standard ...
4
votes
2answers
278 views

Typesetting variants of sum and integral signs in MathJax

Is there any way to enforce the lower and upper limits of integrals and sums to appear below and above the respective signs in MathJax (cf e.g. the German variant described here: https://en.wikipedia....
2
votes
2answers
62 views

Bracketed values with Mathjax

I would like to be able to produce something like this with Mathjax: i.e. two values bracketed together, one value on its own in the middle and two more values bracketed together. Does anyone know ...
2
votes
1answer
164 views

Request for Hyperbolic $ \sech \,x $ inclusion in MathJax

MathJax does not work for hyperbolic $ \sech \,x$... Can it be now included? Thanks in advance. EDIT1: From user1729's comment suggestion, they work okay: $$\operatorname{sech}(x) $$ $$ \...
-4
votes
2answers
54 views

Write mathjax and text in the same line

This is not duplicated. I know how to use the $ sign, but I want to write long equations and words after in the same line and I don't know how. For example if I write: $2=1+1=2(0.5+0.5)=\sum_{n=1}^...
4
votes
0answers
97 views

Escaped braces do not render in post preview

I am having troubles in mathjax escaping braces with backslash while on math stack exchange using firefox version 72.0.1. Although it the escaped braces render when the question is posted, they do not ...
3
votes
0answers
1k views

Mathpix Snip Tool: Automatic $\rm\LaTeX$ code generation from typed or handwritten math! [closed]

The Mathpix Snip tool is quite impressive. I recommend you check it out! It could save you a lot of effort in trying to write $\rm\LaTeX$ code. Here is an example at work. Original image: First ...
-1
votes
1answer
88 views

Mathjax: how to ignore certain commands? [closed]

I'm writing a document in emac's org-mode, which exports both to Latex and to HTML. For the HTML portion, it uses Mathjax. Now, ...
5
votes
1answer
64 views

How to define string remap in MathJax

For example if there is a lot of $R^2$ and $C^2$ in a post, how to map the plain text R2 to $R^2$ only in this post like: ...
3
votes
0answers
73 views

Improved wrong comments written with MathJaX? [duplicate]

Sometimes I see that some comments are written with command or syntax errors. In fact they are displayed in red (for example $\gama$ instead of \gamma ($\gamma$)) ...
3
votes
2answers
243 views

Is there any problem in my MathJax syntax?

Is there any MathJax error in my MathJax syntax? Example: ...
13
votes
1answer
522 views

How can I write roman numbers in MathJax?

I need to write roman numbers in MathJax. I've tried almost every way. But, then I decided to copy the symbol itself. But it looks very ugly. For example, $$\displaystyle \mathcal {D}^{{\left(II \...
3
votes
0answers
36 views

$\rm\LaTeX$ Preview While Editing Tag Wikis from Chromium-Based Browsers

I've edited a few tag wikis, and I have found that the $\rm\LaTeX$ preview is quite spotty in Chromium-based browsers such as Chrome and Vivaldi. Most of the time, the equations in the tag wiki don't ...
3
votes
0answers
47 views

MathJax not working on Mobile application

On Stack Exchange Mobile Application, MathJax is not working. As we see here, MathJax is shown as pure text. Since that the article renders the MathJax properly, the mobile application has the ...

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