Questions tagged [mathjax]

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

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13
votes
1answer
202 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
votes
2answers
111 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
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
votes
0answers
75 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
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
votes
2answers
225 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
414 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
votes
1answer
442 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
676 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
421 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
votes
3answers
130 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
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
votes
1answer
121 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
264 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
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 ...
1
vote
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
votes
1answer
385 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
votes
0answers
95 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
votes
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 ...
1
vote
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
votes
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
votes
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
votes
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
votes
1answer
543 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
votes
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
votes
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
vote
2answers
111 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
votes
2answers
839 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
11 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
votes
1answer
303 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
461 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
235 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
58 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
373 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: ...
1
vote
1answer
621 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 ...
2
votes
1answer
182 views

Seeing the MathJax mark-up for a comment

If a question contains some useful MathJax mark-up that I don't know and want to recycle for use elsewhere, I can "edit" the question, copy the mark-up I want and then cancel my "edit". This isn't an ...
2
votes
0answers
71 views

I can't fix a comment with broken formatting

I can't fix the formatting in this comment (or even delete it and try again): How to formalize $\text{span}(S)=\{c_1v_1+\cdots+c_kv_k\mid v_1,~\cdots,~v_k\in S,~c_1,~\cdots,~c_k\in F\}$ rigorously in ...
2
votes
2answers
164 views

Labeling Simultaneous Equations?

I'm aware that you can label a single line with \tag: $$2x+3y=5\tag{1}$$ But can you do this with simultaneous equations? For example, each of the following in: $$\begin{cases} 2x+3y=5 \\ x-y=19 \...
0
votes
0answers
77 views

How can I write a contour integration in Mathematics Stack Exchange? [duplicate]

How can I write a contour integration (from complex analysis) in Mathematics Stack Exchange? I have many questions relating to contour integration in complex analysis, but I don't know how to write a ...
2
votes
0answers
478 views

Auto MathJax Code Generator on Stackexchange.com [duplicate]

Is there is any websites or software which is used to auto generate Mathjax code which helps in writing on math.stackexchange.com or any other StackExchange websites?
21
votes
1answer
507 views

Should I fix my 175 posts that use \newcommand without \begingroup?

A little over 4 years go I discovered that MathJax supports the $\LaTeX$ command \newcommand, and started to use it in my own answers and questions: this makes ...
28
votes
0answers
1k views

MathJax v2.7.2 beta

Update: v2.7.2 has been released, so we're switching over to the non-beta version today. MathJax v2.7.2 has entered the public beta phase. We're setting it up here to kick the tires and help out with ...
1
vote
2answers
178 views

I don't know how to write formulas for integration, power series, etc. in Math.SE [duplicate]

I want to ask questions from calculus but I do not know how to write the formulas; it causes me lots of problems. I do not know to how write power series as there is no option in my keyboard. Can ...
10
votes
1answer
468 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 ...
3
votes
0answers
73 views

Vector notation issue in iOS application

Everyone's answers and questions is displaying vectors very weird. For example \vec F gives: $$\vec F$$ What happened? How can we fix this? I hope I don't have to ...
10
votes
3answers
950 views

Can we support TikZ picture rendering?

I found an older thread from 2013 with basically the same question: Using TikZ on math.stackexchange I'd like to revive the discussion, since I believe it's certainly possible, even if it may not ...
1
vote
0answers
41 views

Instantaneously Latex Rendering [duplicate]

Is it possible to turn off the instantaneous latex rendering when typing up questions on MSE? The instantaneous rendering slows down the process of entering text to an annoyingly slow pace.
6
votes
1answer
110 views

TeX Packages supported?

It is possible to do useful things with external $\TeX$ packages; but what packages are supported (and which do not need an explicit \require{…})? I could only find ...
2
votes
0answers
100 views

\newcommand does and does not work in titles

\newcommand within a question has in my experience failed to work in titles. In this question when I hit "reload", I see the backslash and Th in red; i.e. it doesn't work. But when I click on "edit" ...
5
votes
0answers
613 views

LaTeX to MathJax

Sometimes an answer posted on math.stackexchange is long, containing sections, formula numbering, cross-references and even a bibliography with in-text citations, like a little article. It is unwieldy ...