Questions tagged [mathjax]

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

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2answers
88 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 ...
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2answers
2k 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.
6
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1answer
128 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
116 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: ...
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0answers
37 views

Bug in arrays within display-math mode

In this recent answer, I needed to define a set with several defining conditions, as follows: $$G(p)=\left\{f:S\to S\left|\, \begin{array}[l]\bullet f\circ p=p\circ f=f\\ f\mid_{\operatorname{Im}p}:\...
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1answer
171 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 ...
4
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1answer
153 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 ...
1
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0answers
86 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 ...
12
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0answers
232 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 ...
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0answers
85 views

copy written text in Microsoft Word into stack websites [duplicate]

I wrote a mathematical equation in Microsoft word and now want to copy it into math stack exchange but it doesn't work and give me wrong format. for example: (total-0 correct edge)/total which ...
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
166 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 ...
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2answers
139 views

How do you typeset Dynkin diagrams with MathJax?

I just posted a question where I typeset the $E_6$, $E_7$, and $E_8$ Dynkin diagrams using MathJax. It looks alright to me, by I'm worried the alignment will look off to users viewing the post with a ...
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0answers
44 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
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1answer
175 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: ...
7
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3answers
589 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 ...
12
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2answers
528 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 ...
13
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1answer
207 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: ...
5
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2answers
112 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 $\pmod {{a\over b}}$ ...
8
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1answer
119 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 ...
2
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0answers
76 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
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1answer
3k 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 ...
11
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2answers
228 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
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1answer
417 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 ...
7
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1answer
478 views

Is it possible for me to rotate symbols and operations?

I wanted to rotate $\Box$ $45^\circ$ clockwise to make a diamond. At the time, I did not know there was a diamond command $\diamond$ and $\Diamond$ and $\diamondsuit$ and even things like $\not\...
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1answer
709 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
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2answers
490 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
134 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
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1answer
92 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: this ...
3
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1answer
125 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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2answers
278 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.
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1answer
120 views

What is the best way to write a long sentence or paragraph using Roman typeface?

First of all I am not very sure if my question belongs to this site. It can get downvoted or asked for deletion. My apologies beforehand if this is the case. I often encountered the necessity to ...
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0answers
70 views

Question on proofs with text-&-LaTeX images

Two days ago, I saw a stochastic process question which contained images that could be completely $\rm\TeX$ified. Based on several related questions found on this site, I think those images should be ...
2
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1answer
399 views

Left-align denominator in MathJax

I want to be able to create an example of modus ponens using MathJax, in the following form: $$\frac{\begin{array}{l} \text{If it is raining, then the grass is wet} \\ \text{It is raining} \...
3
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0answers
96 views

Is it proper to give MathJax suggestions in comments?

Frequently, I see users--often users with some $>1$ amount of reputation--who, while using MathJax, have some fairly annoying flaws: for example, $pi$ instead of $\pi$ or improper use of curly ...
6
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1answer
95 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 ...
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0answers
28 views

MathJax rendering error in Review | Suggested Edits? [duplicate]

Sometimes I edit a question to format the MathJax correctly. I submit the edit, and everything looks good. I get the notification "Thanks for your edit! This edit will be visible only to you until it ...
11
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1answer
607 views

Can the site-design be improved to be more welcoming to new users?

I think that the design of MSE could be more welcoming to new users. I don't know how much effort it would take and of course that should be considered. My view is as someone who is relatively new to ...
14
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2answers
551 views

MathJax Style: It is acceptable to include a period at the end of a block formula?

Is it acceptable practice to terminate a block formula with a period like this... Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque blandit arcu orci, gravida accumsan sem ...
3
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1answer
104 views

How to make slash going through two digits?

I want to try make it slash both of 2 digits. For example if I do $$ \not{7}$$ it will slash that 7. What to do for $10$ or bigger numbers? Edit: $\require{cancel} \bcancel{10}$
7
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1answer
587 views

How to draw a commutative diagram on math.stackexchange.com? [duplicate]

I want to draw a rectangle commutative diagram, but I do not know how. The MathJax codes I find on the internet do not work here. I tried the following: ...
5
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1answer
77 views

Mathjax bug while editing an answer.

On this answer \deriv appears as red text when I am viewing the answer normally. When I click on edit the error disappears on the edit preview window. Is this ...
10
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2answers
118 views

MathJax renders badly when editing from Review Queue

This has been plaguing me for some time, and I wish I'd asked about it before. I often try to "fix" math formatting for new users when I come across their posts in the Review Queue, posing hard to ...
1
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2answers
112 views

Help me understand what mathjax is

I keep seeing people talk about mathjax on other posts by moderators etc. and it won't let me post/comment on there to ask what it is due to being new and not having enough reputation. So......what is ...
28
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2answers
840 views

How to deal with users that just won't use MathJax?

I recently stumbled upon DmRo912's most recent question and found that there was no MathJax where there probably should've been, and so I edited appropriately. But I then noticed that this was not a ...
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0answers
12 views

Has there been changes in MathJax display in the iOS app? [duplicate]

Lately I’ve found that the MathJax display on math.stackexchange.com in the iOS app of StackExchange has been different from what it was like before. For example (I used the below content without ...
3
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1answer
315 views

Problem with epsilon for Levi-Civita

Is this the correct use for the Levi-Civita symbol: \mathcal{E}_ijk The lowercase "i" looks a bit off to me: $ \mathcal{E}_ijk $ Thanks in advance.
3
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2answers
474 views

iOS 11 changed iPhone’s font for MathJax

I updated to iOS 11, and after doing so, the display font for MathJax has changed across the entire interface of my phone. As evidence, here is a screenshot I found laying around with its updated copy:...
0
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1answer
236 views

Latex symbols for equivalence

The "equivalence" symbol ($\equiv$) works well, while the "crossed" versions, like $\neqiv$ and $\notequiv$, do not ? Some alternatives ? Thanks
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0answers
61 views

Latex does not display in titles and comments

With MSE accessed by mobile app, latex symbols appear as they are. Is there a way to make them appear in full font ? Comments cannot be edited/deleted. Text does not zoom in by drawing fingers apart ...