Questions tagged [mathjax]

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

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86 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 ...
26
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1answer
268 views

Mathjax stops rendering after clicking “An edit has been made to this post”

I have noticed in the last two weeks or so that after clicking the "An edit has been made ..." banner, the mathjax is not rendered. Example (before): (and after): Refreshing the page renders the ...
3
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2answers
186 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 ...
0
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1answer
193 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-...
2
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0answers
90 views

How can I display LaTex with iPad in Chat?

This is the solution in Desktop here, but I want to do it in iPad. How can I display LaTex in iPad's chat?
0
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1answer
68 views

How to put two functions in one brace?

This is what I want. Can you please help me?
6
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1answer
618 views

Slanted fractions in MathJax

Are slanted fractions supported in MathJax? None of the tricks shown here appear to work.
26
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3answers
4k views

What is the relation between Latex and MathJax?

What is the relation between Latex and MathJax? I find this reference very useful for writing questions on mathematics site and I also came across this site for Latex symbols which seems very similar ...
1
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0answers
42 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\...
0
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1answer
59 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
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1answer
155 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
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0answers
84 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 ...
0
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1answer
105 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 ...
1
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0answers
75 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 ...
3
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0answers
81 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 ...
2
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0answers
46 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
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1answer
214 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
348 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
60 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.
10
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2answers
637 views

How to write math equation with auto numbers

I can write a math equation as below: \begin{equation} \begin{cases} 2x+y-3=0 .... (1) \\ 3x-5y+7=0 .... (2) \end{cases} \end{equation} In this example, the equation number is added manually, is it ...
51
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3answers
803 views

Why is there no support for MathJax in chat?

The question Should chat have TeX support was first asked 3½ years ago, and it has been asked at intervals since then. I am not asking that question. I know that chat should have TeX support and ...
-1
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1answer
80 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 ...
12
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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
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1answer
387 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
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1answer
231 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
23
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1answer
460 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
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1answer
118 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 ...
14
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5answers
1k views

How to type special characters in this forum?

The general rule used in LaTeX doesn't work: for example, typing M\"{o}bius and Cram\'{e}r doesn't give the desired outputs.
2
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1answer
212 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
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2answers
290 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
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2answers
63 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 ...
4
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0answers
98 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 ...
-4
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2answers
62 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}^...
3
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0answers
3k 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
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1answer
112 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, ...
4
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1answer
69 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
2answers
247 views

Is there any problem in my MathJax syntax?

Is there any MathJax error in my MathJax syntax? Example: ...
23
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4answers
3k views

MathJax: better way to prepare a Math.StackExchange question?

So right now, to write up a question for Math.StackExchange, I use Firefox to come here, say I'm going to ask a question, and start typing in the box (like I am now). The only way I have to test ...
3
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0answers
75 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 ($\gamma$)) ...
7
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3answers
1k views

How to label equations on the left with mathjax?

In a proper TeX environment, one can use preamble to set the equation labels (tags) on the left for the entire document. There are also tricks to do this locally. On the webpage here, sometimes a ...
13
votes
1answer
599 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 \...
18
votes
2answers
4k views

How do you draw simple lattice diagrams with MathJax? [duplicate]

How do I make a lattice diagram, for example a tower of field extensions, on this website using MathJax? I'll also accept a redirect to a helpful page. Here's a link to the original question I asked ...
3
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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
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0answers
84 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 ...
4
votes
1answer
127 views

Comments containing MathJax are not being displayed fully

Yesterday evening there were two posts in Meta - here, and here - concerning display problems. Simultaneously, on the main MSE site, I was noticing that comments containing MathJax could no longer be ...
3
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0answers
41 views

MathJax fails to load in the comments [duplicate]

Starting few days ago MathJax fails to load in the comments. It works well in the other boxes: questions and answers. Used browser: Mozilla. However this phenomenon doesn't occur when I use Chrome. ...
4
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2answers
118 views

Proper use of italics when asking a question.

What are the pros/cons of using two asterisks vs using mathjax when trying to italicize something in a question? Thanks in advance.
7
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1answer
283 views

How can I write the left and right sides of the equation in different sizes?

I hope I'm at the right place to write my question.Because the mathjax tag exists at both stackoverflow.comand tex.stackexchange.com. I want to write this equation (This is just an example) $$G(x_1,...
15
votes
4answers
434 views

How can I write backslash in MathJax?

I want to write following in MathJax: L(A)\L(B) When I type following: $L(A)\ L(B)$ It prints: $L(A)\ L(B)$ When I type ...

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