Questions tagged [mathjax]

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

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10
votes
2answers
217 views

When should each type of vertical bar (pipe) be used?

There are many ways to type a pipe. You could use \$|\$ ($|$), \$\vert\$ ($\vert$), \$\mid\$ ($\mid$), or just a plain | (not surrounded by dollar signs). You could also use vmatrix to indicate matrix ...
7
votes
0answers
45 views

Links in comments do not work if they contain space before dollar and also square brackets inside MathJax

The format [text](url) is the standard format for using links in the comments. And it works just fine even if the text contains MathJax. Normally, adding spaces ...
16
votes
0answers
96 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 ...
12
votes
1answer
2k views

How to cross out mathematical expressions? [duplicate]

How can I cross out a mathematical expression with a horizontal line? Thanks.
5
votes
1answer
79 views

What are your options to draw commutative diagrams on MSE? [duplicate]

I know that I asked similar questions in the past, but I still do not seem to figure it out, what the best way is to post a 'complex' diagram on this website. Nothing seems to work, and the things ...
4
votes
1answer
165 views

What does % mean in MathJax?

I have noticed that, if I type \$100%\times x\$, I get $100%\times x$ and not $100\%\times x$. Does % mean to ignore the following text or something like that? I didn't find an explanation for the ...
1
vote
0answers
66 views

How to type the $\dashint$ symbol on this site? [duplicate]

How to type the symbol $\dashint$ on this site? It looks like the following: Thank you! Edit: As @Jack hinted in the comment, we may use ...
1
vote
0answers
94 views

MathJax bombs on consecutive macro definitions (but not if first macro used before defining second macro) [closed]

I'm running mathjax locally in a browser, from the following minimalist file: ...
0
votes
0answers
149 views

Can we have something like on-the-fly conversion of equation to MathJax?

New contributors can be seen unable to use MathJax when posting questions or answering them such as here before the edit by @BPP. Would it be nice to have something that would find things that should ...
6
votes
1answer
169 views

MathJax issue while using SE from phone

I had the following issue for a while, but I thought it's only a problem that I encounter, so I mostly ignored it, however today I installed this app yet the problem still persists so I thought it ...
14
votes
1answer
424 views

Should titles be included in begingroup..endgroup (similarly as posts and comments)?

Not too long ago, a Stack Exchange software was changed in such way that macros defined in a post are valid only inside that post (similarly for comments). It was announced in an answer on this meta: ...
6
votes
1answer
78 views

MathJax rendering bug on chrome/android

Somehow the subscript $a$ has migrated to the wrong vertical bar. The question renders fine on my desktop browsers (chrome and firefox).
32
votes
43answers
4k views

Formatting Sandbox

Basically the same as Formatting Sandbox in Meta Stack Exchange, but since this and Statistical Analysis are the only two sites (I know) supporting $\TeX$ formatting, I believe we also need one here ...
5
votes
0answers
80 views

Why is ChatJax not enabled by default? [duplicate]

There is a ChatJax bookmark for rendering LaTeX in chat. Why is it not run by default when math chatrooms are loaded? I find two issues with the current approach: New users are not aware that they ...
4
votes
0answers
63 views

Mathjax symbols do not read in titles when using Android

On a mobile I do not get math symbolic notation in title or comments. ( Main text ok ) Is there a fix applicable to Androids ?
2766
votes
33answers
865k views

MathJax basic tutorial and quick reference

(Deutsch: MathJax: LaTeX Basic Tutorial und Referenz) To see how any formula was written in any question or answer, including this one, right-click on the expression it and choose "Show Math As > TeX ...
27
votes
1answer
2k views

Using TikZ on math.stackexchange

The title pretty much says it all: How can I use TikZ when writing my math questions on this site? I have written out my question in LaTeX using the TikZ and it took me quite some time, now I ...
6
votes
2answers
364 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 ...
2
votes
1answer
70 views

dash over a letter [duplicate]

How do I write a letter like : A ,with a bar over it ( stands for the closure of A in topology) . I looked it up but \={A} didn't work , see : $\={A}$ .Help
6
votes
2answers
135 views

Fixing an AMScd diagram

I want to fix this diagram and also extend it to the diagram below. Can you help me out? $\require{AMScd}$ $\begin{CD} S^{n-1}@>\subseteq >> D^n \\ @VhVV @VVV\\ S^{n-1}\\ @V\subseteq VV @...
4
votes
1answer
90 views

Display issue with first $2$ equations in an answer, although they appear fine in Edit mode

The issue is with my second answer to the question at Fastest way to solve congruency equation. This is what I see: $ $ $ $ The problem occurs on a Windows $7$ machine using FireFox version $66.0.5$...
9
votes
2answers
199 views

MathJax squashed my Chinese $\rm{\small T}heorem$

The letter T in CRT is too small below (source here). This is the only letter in the alphabet that exhibits this problem in that context. Alas, it renders so ugly that I've been forced to resort to ...
6
votes
1answer
68 views

Problem exporting an answer to pdf

MSE offers a huge variety of possibilities when it comes to writing an answer/question which might not be found elsewhere (at least all together). I've recently read on this post, that answers can ...
11
votes
1answer
5k views

Put a link to a tutorial on the Tex in the FAQ

I have no idea how to use either of the Tex methods supported here. How about putting a link to the instructions or a tutorial on both in the FAQ?
8
votes
1answer
170 views

MathJax very slow in questions that are closed

MathJax redisplay is very slow in the preview pane while editing answers in closed questions. Redisplay that normally happens in under a second can take up to $5$ times longer. Not too infrequently ...
2
votes
1answer
185 views

Why do some users citing compatibility issues when deprecating the use of Unicode characters?

I have encountered for several times that some users have complained to me the use of Unicode characters (of normal series and normal shape, i.e. not bold nor italic) such ...
4
votes
1answer
101 views

How to write a line through text? [duplicate]

How to write a line through text or words ? Like the \underline{} in latex but in the middle the line, to indicate something is wrong.
3
votes
1answer
113 views

Mysterious space added in matrix-like environments

Here are two screenshots taken from 3D rotation matrix with zero determinant and Simplify this expression for the relative condition number of $f(x,y) := [ x^y, x + y ]^T$. It can be seen that an ...
7
votes
2answers
175 views

How to make bold greek letters in Mathjax on Stackexchange?

I already know how to make $\mathbf {bold}$ letters, and I know how to make various greek letters such as $\gamma$ and $\Psi$. But how to make any bold greek characters?
3
votes
0answers
69 views

Incorrect mathjax border around equations containing \tag

When there is an equation with \tag in it as the one below, then if you left click on the equation, the MathJax border is incorrectly shown. Here is some random ...
-1
votes
1answer
131 views

MathJax on simple numbers, the HNQ and a game of 21

In question titles, should "simple numbers" – those numbers that stand on their own and which do not require any $\TeX$ symbols to express cleanly – be put into MathJax anyway? Examples ...
0
votes
0answers
110 views

What has happended to MathJax?

I recently noticed that the quality of equations rendered in MathJax has deteriorated quite a bit. In particular, I would point the square root and integral operations. Am I missing something here? Am ...
45
votes
2answers
12k views

How to search for a formula/expression

Suppose I want to search for instances where an expression similar to $x_n^2-x_{n-1}x_{n+1}$ shows up. How would I do that? I suppose the question goes beyond searching MSE. Are there search engines ...
5
votes
1answer
57 views

What to do about comments with broken MathJax?

Sometimes one comes across content that has MathJax that does not render correctly. When it is a post one can edit it. But what to do about comments that have MathJax that does not render correctly ...
3
votes
0answers
45 views

MathJax formatting on mobile site.

I've noticed lately that MathJax has been paragraphing its output excessively sometimes on the mobile site. I don't know how to describe it, so here is a screenshot: Please help :)
3
votes
1answer
70 views

MathJax tutorial for linear programming missing in search results

Background An answer for typing linear-programming questions in mathjax has been added to MathJax basic tutorial and quick reference since one year. Problem I attempted to find it by search on this ...
7
votes
0answers
94 views

Plenty of [Math Processing Error]s before and after selecting duplicate in review queues

Since this is already more than six months this has been reported inside the Mathematics new site theme is live topic, and yet still not fixed, I've decided to put this one separately. This happens ...
4
votes
0answers
56 views

Redundant overlapping expressions in review queues when closing as duplicates

Since this is already more than six months this has been reported inside the Mathematics new site theme is live topic, and yet still not fixed, I've decided to put this one separately. If you go to ...
2
votes
1answer
77 views

MathJax for integer summation proof

I have this \begin{array}{r} sum &= 1 + 2 + \ldots + (n - 1) + n \\[1ex] + \; sum &= n + (n-1) + \ldots + 2 + 1 \\ \hline 2\,sum &= (n +1) + (n+1) + \ldots + (n+1) + (n+1) \end{...
3
votes
1answer
124 views

Is Mathjax accessible for people using screen readers?

I tried writing a formula on Why are some equations and formulas written in a way that suggests the smaller number divides the bigger number, instead of the other way around?, but I cannot find the ...
7
votes
1answer
194 views

MathJax rendering issue while looking at someone's profile

I have encountered the following issue looking at my profile, see it in the photo. This also happens if I change the browser or log off from my account or even if I check from my phone, and it also ...
2
votes
0answers
39 views

Problem with mathjax rendering in profiles [duplicate]

There is a weird Mathjax alignment in question titles of user profiles. I am using chrome on apple. Here are two screen shots examples from different user profiles.
1
vote
1answer
63 views

Problems with Latex rendering

The Latex-text will not be represented as formulas. The Latex-text will not be rendered. Why? My text begins with 2 Dollar signs and ends with 2 Dollarsigns.
4
votes
2answers
103 views

Odd inline mode MathJax rendering problem in the MathJax basic tutorial

I'm seeing something odd with the inline MathJax rendering on the MathJax basic tutorial. There are 15 items in a numbered list in the tutorial. For items 1 to 5 (and also the first part of item 6) ...
53
votes
5answers
2k views

The scope of \newcommand is the entire page

LaTeX on this site supports \newcommand and \renewcommand. This is very nice, but I noticed that the scope of these definitions ...
10
votes
2answers
160 views

A possible bug regarding MathJax, previews, and the arctangent/tangent functions?

For context, I was making a tweak to GReyes' answer on this question, just cleaning up some formatting with the trigonometric functions. Specifically, I was turning ...
3
votes
0answers
76 views

Feature Request: Support Latex Tables on math.stackexchange?

Math.stackexchange already supports quite a bit of $\LaTeX$ mark-up using mathjax. What do you think about supporting the $\LaTeX$ tables? In Stack overflow mark-...
3
votes
1answer
106 views

Inserting braces in a brace [closed]

I don’t know how can I ensert the right braces using latex... Any help is appreciated...
1
vote
0answers
22 views

Title of linked question messed up when it includes MathJax

I've just flagged a question as duplicate ( it was already deleted) and the link to the original one appears broken - not the link itself but the title: If this helps, the source of the title of the ...
-6
votes
1answer
161 views

How to type Sigma and other symbols in MathJax [duplicate]

Can someone please illustrate how to use the sigma symbol using mathjax and other such symbols please help? By the way the moderators of this site are extremely helpful so thank you.