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Questions tagged [mathjax]

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

5
votes
1answer
88 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
votes
1answer
99 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: ...
0
votes
0answers
30 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}:\...
4
votes
1answer
117 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 ...
3
votes
1answer
82 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
vote
0answers
61 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
votes
0answers
215 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 ...
0
votes
0answers
61 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
votes
0answers
63 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 ...
2
votes
1answer
134 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 ...
7
votes
0answers
69 views

Typesetting the Dynkin Diagrams with MathJax

I just posted a question where I typeset the $E_6$, $E_7$, and $E_8$ Dynkin diagrams using MathJax: $$ E_6\; \begin{aligned} &\>\bullet \\[-1ex] &\,\,\mid \\[-1ex] \bullet-\bullet-&...
2
votes
0answers
39 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 ...
5
votes
1answer
161 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: ...
4
votes
2answers
80 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
2answers
437 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 ...
14
votes
1answer
171 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: ...
3
votes
2answers
89 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
votes
1answer
111 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 ...
1
vote
0answers
68 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
votes
1answer
241 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 ...
8
votes
2answers
164 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 ...
12
votes
1answer
384 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 ...
4
votes
1answer
189 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\...
1
vote
1answer
363 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
94 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 ...
1
vote
3answers
96 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
73 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 ...
2
votes
1answer
72 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 ...
4
votes
2answers
185 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.
0
votes
1answer
116 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 ...
1
vote
0answers
63 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
votes
1answer
175 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} \...
2
votes
0answers
80 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 ...
5
votes
1answer
67 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 ...
2
votes
0answers
21 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 ...
12
votes
1answer
600 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
votes
2answers
539 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
votes
1answer
98 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: $\require{cancel} \bcancel{10}$
5
votes
1answer
187 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: ...
4
votes
1answer
70 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
votes
2answers
110 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 ...
0
votes
2answers
109 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 ...
26
votes
2answers
794 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 ...
0
votes
0answers
10 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 ...
2
votes
1answer
101 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
votes
2answers
293 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
votes
1answer
103 views

Latex symbols for equivalence

The "equivalence" symbol ($\equiv$) works well, while the "crossed" versions, like $\neqiv$ and $\notequiv$, do not ? Some alternatives ? Thanks
2
votes
0answers
46 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 ...
2
votes
3answers
147 views

Is it possible to spoiler multi-line mathjax?

I can't work out how to do it. This: >! $$a=b$$ >! $$b=c$$ >! $$c=d$$ Produces this: Whereas this: ...
0
votes
1answer
195 views

Integration support for Mathcha

My current workflow is: looking up symbols through detexify typing math expressions into this editor scrolling up and down between the editor and preview box to make sure output looks good. I think ...