Questions tagged [mathjax]

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

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1
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1answer
92 views

\mathit only works with preview mode?

Earlier I added an example to MathJax basic tutorial and quick reference, but it seems that \mathit only works in preview. Is there any suitable alternative? ...
7
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1answer
90 views

MathJax rendering in preview but not in actual post?

So I just passed the 2,000 rep threshold this morning and, eager to try out my newfound powers of automatic editing, I went ahead and looked for the first post I could find that could use some ...
11
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1answer
1k views

How can I draw a tree like this?

I want to draw the following tree in a question. But, I don't want to upload a picture. Can anyone tell me how to do it using MathJax?
4
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1answer
161 views

Slow scrolling because of MathJax

I was scrolling through the answers of this question of mine and the cursor hanged frequently. It even took time to load the content. Even while typing comments, my laptop hanged and the speed was ...
15
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2answers
303 views

Can we have the suggested questions' titles parsed by default?

The suggested questions' titles here are not parsed: I find this a bit odd, because they are indeed parsed in other scenarios, like this: Why aren't the titles parsed when suggesting questions? I ...
1
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0answers
39 views

MathJax broken by font clash in Related Questions and Hot Meta questions under new responsive design

We used to ren­der the Re­lat­ed Ques­tions and the Hot Me­ta Ques­tion lists in Geor­gia so that they looked right when com­bined with Math­Jax. Now we don’t, and it looks... sub­op­ti­mal (i.e., ...
3
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0answers
30 views

MathJax not always rendering tag-question summaries due to early $truncati [duplicate]

Sometimes the question summaries don’t get all their MathJax rendered. For example, from the summation tag questions you see this: It looks to me like this bug is caused by the truncation of the ...
4
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0answers
165 views

Feature request: LaTeX preview in *comments*

I would like to request that a preview be generated when writing comments, the same way that one is generated when writing a question. This is particularly relevant in math forums where LaTeX ...
2
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1answer
90 views

Can I put formula numbers in a question or an answer?

Suppose I'm writing a question like blah blah blah $$a=0$$ blah blah blah I want to put (1) at the very right of the line that has $a=0$. Can I do that?
11
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1answer
352 views

Where to report MathJax bugs?

TL;DR: What is a suitable place where to report MathJax bugs? I mean the bugs which seem to be issues with MathJax in general - not specific to this site or Stack Exchange network. Often some ...
4
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1answer
119 views

How does MSE do live previews of MathJax?

How does MSE do live previews of MathJax? I need this for my own site. I am not a JavaScript developer but I can copy / paste some code into the right place. I'm using Bubble to create a learning ...
5
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1answer
441 views

Using \$ \$ when typing matrices

I have this matrix: $ \begin{pmatrix} a & b \\ c & d \end{pmatrix} $ and I want to show a new user how to type this, by adding \$ \$: \$ \begin{pmatrix} a & b \\ c & d \end{pmatrix} ...
7
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0answers
3k views

Provide \degree symbol in MathJax

A while ago I posted an answer to the MathJax tutorial meta question about the right way to write a degree symbol. The latest edit (with which I'm not really happy) discusses, among other things, the ...
1
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1answer
67 views

How does one add missing latex commands or see all available commands in math exchange site?

I wanted to write the \underbar in the [mathexchange site][1], but it wasn't possible when using \underbar{}. Is it possible to ...
4
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0answers
57 views

Bug in math.stackexchange MathJax editor

When answering a question the editor sometimes pops up an image which covers the line one is trying to edit as seen in the image below. Has anyone else encountered this problem? My usual fix is to ...
1
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1answer
117 views

Can I use Mathematics Stack Exchange's MathJax for uses different than those intended?

I am participating in the IYMC and need to type some answers. As a member of this site for $9$ months, I find myself much more comfortable typing in MathJax than in Microsoft Word. So I hope that I ...
4
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1answer
116 views

Edit summaries/revision history cannot handle MathJax properly

Sometimes if somebody edits the MathJax part of a question or answer MathJax breaks down in the revision history, creating italics and messing up formatting so that its really hard to see what changed....
12
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0answers
109 views

Why we can't see suggested edits rendered in latex before approving? [duplicate]

I've noticed that when viewing suggested edits there is an option to show rendered output but it doesn't actually show what the edit will look like after latex has been compiled. I realize there is ...
0
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2answers
98 views

Is it a bug that over/under braces vary in size for same-size expressions?

In this question on the Puzzling Stack Exchange, I wrote this answer with some Mathjax, but it formatted a little weirdly. Here is what I wrote: Some unecessary information, blah blah blah The ...
7
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1answer
183 views

Possibility to access the code of people's comments

Very often I enter the edit mode of a post just to copy-paste some parts of it, often to get a sample of some MathJax complex syntax. It may happen every once in a while that you want to do that with ...
0
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2answers
4k views

How to perform a line break? [duplicate]

I entered text with line breaks in the body but it doesn't show in the question.
41
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2answers
689 views

Minimum suggested edit length

I just edited a question which was missing a couple of {} in its LaTeX markup. The effect was to make it hard to work out what was going on for people (such as, I ...
43
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4answers
3k views

Guidelines for good use of $\rm\LaTeX$ in question titles

Motivation: Every once in a while, I find myself making edits like this one, where OP (likely due to inexperience in asking questions) has used display math mode (...
6
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1answer
207 views

Lower-case blackboard bold displays inconsistently

Lower-case blackboard bold (\mathbb) letters display inconsistently for different users: for me, they display (incorrectly, I assume) as plain Latin font. See ...
-2
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1answer
120 views

How do I do dot inside a letter?

A First Course in Complex Analysis by Matthias Beck, Gerald Marchesi, Dennis Pixton, and Lucas Sabalka Ch9.1 Circle: $C[z_0,R] = |z-z_0| = R$ Disc: ...
12
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2answers
630 views

Can custom TeX/MathJax commands be defined by default for a site?

Recently SE.QuantumComputing started private beta (bit of a misnomer, as users can join freely), and we started a $\mathrm{\TeX}$-tutorial Meta discussion like the one found here at SE.Math. Since ...
1
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0answers
89 views

How to write question on MSE offline?

I have recently downloaded MathJax-2.7.4 and successfully render test htmls in folder test. Then I save the webpage https://math.stackexchange.com/questions/ask offline to write question. But when I ...
14
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0answers
237 views

Adding MathJax for new user versus adding a comment

Forgive me if this is a dupe. It happens frequently that new users post questions without using MathJax (either using Unicode, ASCII, an image, etc.). Sometimes, I see experienced users comment ...
2
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0answers
67 views

long delay in MathJax rendering on a certain page

When I edit this answer, it takes ages to render the MathJax, quite unlike on other pages, where it's a matter of a second or two. When it does render, the big eqnarray* equation is on a single line ...
3
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1answer
176 views

Transforming numbers in a matrix structure into color squares

Suppose we have a matrix of numbers $$\begin{matrix} 1 & 3 & 2 & 4 \\ 1 & 2 & 3 & 4 \\ 1 & 2 & 3 & 4 \\ \end{matrix}$$ I would like to ...
6
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1answer
181 views

How to set name above a part of a matrix? [closed]

I want to create the matrix that is shown in the image, and my code is: ...
2
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0answers
45 views

MathJax bug in tag wiki edit

I have suggested an edit on the tag wiki of circulant-matrices, based on a related tag wiki for hilbert-matrices. While typing the code, I observed that \\ is ...
6
votes
1answer
105 views

MathJax preview does not work when editing from review (or when editing a deleted question)

Hardmath's earlier bug report made me take a closer look at the way MathJax works when editing a post from preview. Or, rather, the way it currently doesn't work. While investigating, I also noticed ...
13
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1answer
292 views

How to fix the protruding lines in a MathJax table?

$$ \begin{array}{|c|c|c|} \hline &A&B\\ \hline X&1&2\\ \hline Y&3&4\\ \hline \end{array} $$ Code: ...
4
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2answers
125 views

Mathjax: \pmod {a\over b} renders differently from \pmod {{a\over b}}

I'm surprised that $\pmod {a\over b}$ renders differently from $\pmod {{a\over b}}$ $\pmod {a\over b}$ vs $\pmod {{a\over b}}$ ...
50
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17answers
3k views

MathJax 2.6 beta

Today we are entering the public beta phase of MathJax v2.6 beta. We are asking you to try out the new output. Be aware, this one will offer a new set of fonts. I will allow Peter Krautzberger to ...
9
votes
1answer
125 views

How to leave lines in between `>!`?

I'll get directly into the question. When I do something like: >! (Some text) >! >! (Some other text) It appears as: How would I get these to ...
3
votes
0answers
80 views

Why is there a character limit for mathematics post edits?

I am seeking to fix a very small (but significant) typo in summation indices for this answer. In particular, in the last two equations of the post, the summation should start from $i=1$ instead of $i=...
1
vote
1answer
8k views

Cannot find how to write infinity [duplicate]

I am new here. How do I write an infinity symbol above summation symbol. I do not know how to write formula on this site. How do I write series formula? I could figure out how to write summation, but ...
13
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2answers
266 views

Is it okay to “edit” questions just to look at the MathJax?

I'm pretty new to MathJax, and one way I've been trying to learn is to click on "edit" for posts that use features I would like to learn. Then I just click "cancel." The last time I did this, I got ...
11
votes
1answer
426 views

MathJax isn't loaded into the comments; browser Firefox

As the title says MathJax isn't loaded into the comments in Firefox (but works fine for the answers!). Does someone else has the same problem? How to fix it? (Everything works fine in Chrome.) This ...
29
votes
2answers
10k views

MathJax: How to number and reference multiline equations?

I'd like to number multiline equations and reference them, à la MathJax's Align and Gather environments. Can this be accomplished? If so, how?
1
vote
1answer
888 views

Mathjax offline quick latex rendering

I would like to have a real time latex renderer, so I can make a youtube video with a screen recorder and a mic, teaching how to solve a math problem, while I type latex, and the screen shows both my ...
3
votes
2answers
961 views

How to change horizontal spacing in arrays?

$$ \begin{array}{lcr} & \text{A} & \\[-0.1cm] & | & \\[-0.1cm] \text{C} & \text{B} & \text{D} \\[-0.1cm] & | & \\[-0.1cm] & \text{E} & \\ \end{array} $$ How do ...
2
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3answers
197 views

How do you tag without brackets? In particular, how do you tag boxes?

How would you tag boxes without brackets after completing a proof? For example, I needed to prove that $$\forall m, n \in \mathbb{N}\cup \{0\}, \ n^{2m + 1} \equiv -1 \pmod {n + 1}$$ I proved this by ...
2
votes
1answer
95 views

mathjax doesn't render in the review section [duplicate]

I recently went to see what is in the queue of the "Suggested Edits" and I saw this: first I thought that it was just '$' placed wrongly, so I went to edit this myself and saw the following:...
2
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1answer
104 views

MathJax bugged on front page (FireFox)

This question displays correctly when viewed in the /questions page: But in the question queue, the preview is messed up: My guess is that this is a result of cropping the MathJax markup halfway so ...
42
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5answers
11k views

Do we have an equation editing HOWTO?

I see other posters writing beautiful integrals and quotients within quotients and matrices and sigma summations and and and... is there a guide for that?
5
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2answers
382 views

Challenge: can you draw the following triangular diagram?

I've been struggling to draw the following triangular diagram: Can I do it in SE or should I forget about it? Ideally the line for $f'$ should be dashed.
3
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1answer
141 views

Should I add MathJax formatting to posts with plain text math?

I personally have noticed a lot of posts were all of the math is written in plain text and have tried my best to fix change them, is this even something that I should even be focusing on, or should I ...

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