Questions tagged [mathjax]

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

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1 answer
485 views

LaTeX problem in RSS feed

Recently, I added the Mathematics SE RSS feed to a RSS reader. All questions written with $\LaTeX$ just show the code and not the symbols they are supposed to show. What should I do so that the feeds ...
13 votes
1 answer
63k views

LaTeX symbols for "therefore" and "suchthat"

I was wondering about the use of latex symbols \implies ($\implies$) and \therefore ($\therefore$). From the naming, I think \therefore and \implies are redundant, but I can't find a symbol for \...
2 votes
1 answer
44 views

Equivalent of `@VVV` for uparrow in commutative diagram?

Following questions like this, I managed to draw a commutative diagram like below using package AMScd: $$\require{AMScd}\begin{CD} X @>>> X \\ @V{f}VV @V{f^...
3 votes
1 answer
80 views

Suppport/disable MathJax in newsletter

The weekly newsletter is hard to read because the the math questions are in MathJax code. The code is not transformed into readable format. It's a bunch of dollar signs and slashes, ...etc. No one is ...
3734 votes
38 answers
1.4m 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 and choose "Show Math As >...
16 votes
4 answers
1k views

Can I post a 'homework' question without any MathJax/Latex.

Beginner here to mathstackexchange. I have a 'homework' question from a university course that I'm getting quite stuck on. Important Note: This is homework from a past course I've already completed ...
4 votes
1 answer
169 views

mathjax stops when I'm editing this question

I'm encountering this strange behave of the mathjax-system with this question . Everything is fine if I refresh this page in my browser (Firefox) ; but when I start editing the text then the preview ...
6 votes
0 answers
123 views

Why is MathJax parsing incorrectly for this linked question?

In the linked questions to Sum of the series $\sum_{k=0}^{r}(-1)^k.(k+1).(k+2).\binom{n}{r-k} $, I get: but the correct parsing of the title is Find the remainder when $\sum_{r=0}^{2014} \sum_{k=0}^r ...
4 votes
4 answers
204 views

How to typeset a symbol for "the inside of a triangle"?

I'd like to use a symbol to denote the inside of a triangle inside mathematical formulas in an answer I'm writing for Mathematics Stack Exchange. A natural candidate is a triangle with a dot inside it:...
3 votes
0 answers
156 views

Why does MathJax render differently on different devices?

On my laptop (macOS), $$\mathbin{\rlap{\,\,\bullet}\triangle}$$ renders as On my phone (Android), however, the same code (i.e. ...
10 votes
1 answer
490 views

How do I change Math Renderer for MathJax?

In various posts on meta I have read that various math renderers can be used for MathJax, such as HTML-CSS, SVG, etc. See, for example, What is the difference between the 3 math renderers? How can I ...
16 votes
3 answers
668 views

Is there an application where you can visually input LaTeX and have it translate to a code that works in Stack Exchange?

I do not know if this question is appropriate to the Mathematics Meta. This question may be closed if it isn't. But I would like to ask if there is an application people can refer me to that can ...
5 votes
1 answer
113 views

Are there any symbol to make a "half-space" in MathJax? half the size of $\text{\,}$ approx $\text{\kern 0.08333em}$?

Are there any symbol to make a half-space in MathJax? half the size of $\text{\,}$ approx $\text{\kern 0.08333em}$ ? If I write jointly the letter $\rho$ with the "letter C with undertext letter ...
5 votes
0 answers
76 views

What to do about unrendered LATEX in newsletters?

As MathJax requires JavaScript to render, it can't be rendered inside an email as emails don't allow the execution of arbitrary JavaScript. This is a problem for readers of the MathExchange newsletter ...
75 votes
7 answers
17k views

How to draw a commutative diagram?

Is it possible to draw a (simple) commutative diagram using MathJax? Amscd doesn't seem to work here on math.SE. M(N)WE: $$ \begin{CD} K(X) @>{ch}>> H(X;\mathbb Q);\\ @VVV @VVV \\ K(Y) @>{...
39 votes
52 answers
6k 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 ...
48 votes
4 answers
4k views

Guidelines for good use of MathJax 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 ($$...
8 votes
1 answer
229 views

Why wasn't this question removed automatically from the HNQ list?

From previous discussions, I've come to understand that questions with MathJax in the title cannot become hot network questions, and that editing a title to include MathJax should boot the question ...
4 votes
1 answer
202 views

Is possible to use a spoiler for a list in a question of a proof?

I would like to use a spoiler in this post of the the proof of the point $1$-$3$ but unfortunately I was not able: so is it possible use a spoiler?
2 votes
1 answer
111 views

How to rotate text by 180° and or mirror it in Math.SE?

I'd like to rotate and mirror text left-right in Math.SE, as plain text or inside formulae. What I tried is from a TeX post or this one like: ...
6 votes
2 answers
448 views

How can I use $\LaTeX$ symbol \Perp (from pxfonts/txfonts) in mathjax?

The title says it all: How can I use math symbol \Perp (like $\perp$ but with two verticals) from txfonts/pxfonts in mathjax? It is sometimes used in probability to denote independence.
9 votes
3 answers
3k views

How do you render a closed surface double integral?

In other words, this: According to Wikipedia, the code is \oiint, but it doesn't seem to work on this site.
0 votes
0 answers
180 views

How to put a math formula into a comment to a question on StackExchange

Is there a way to write math formulae in a comment to a question on StackExchange (Mathematics Meta). I'm sure this must have been asked before but my search didn't come up with anything (a reference ...
7 votes
0 answers
170 views

Broken MathJax formatting on activity page

Here is a screenshot from my activity page: running Google Chrome Version 99.0.4844.51 (Official Build) (64-bit) However the browser or the version doesn't seem to matter, tested same thing on ...
2 votes
0 answers
84 views

Custom TeX command doesn't render in search results

In my answer to Collecting Stickers! Evaluate occurrence of duplicates? I defined a custom TeX command \stir, which is rendered correctly on the page itself. When ...
9 votes
0 answers
248 views

Display of MathJax in titles of questions and answers on user profile lists is broken

Starting from a user's profile page, if you list all of their questions or all of their answers, posts whose titles contain complex MathJax formulae are not displayed properly. There are some extreme ...
4 votes
0 answers
149 views

Mathjax not working on Chrome 99.0.4844.51 (64 bit) Windows 7

This problem has started ever since I joined MSE (it never loaded on my computer!) Only recently I tried to troubleshoot the problem as I started using MSE more. I have tried everything mentioned in ...
2 votes
1 answer
95 views

Why is text being hidden behind "Featured on Meta" window?

In Finding the Distance Between Contours (Calculus 3 Question), what is causing the posting text to be partially hidden behind the Featured on Meta window?
1 vote
1 answer
164 views

How to have multi-line pasted text show as multiple lines of text in mathjax.

The only way I know how to have multiline text "show" as multiline text is to add 4-5 leading spaces to each line of pasted text. line 1 line 2 This is ...
0 votes
0 answers
131 views

How to write # in mathjax? [duplicate]

I am basically trying to write the above formula in mathjax but the # is causing errors in the code. How could I incoporate # as a symbol without errors?
1 vote
1 answer
170 views

How to write an encircled bullet?

How can I write in MathJax a circle with a bullet inside it? I know \odot, but this is a circle with a dot inside it; I want most of the circle be filled by the dark circle inside and only a thin ...
0 votes
0 answers
79 views

How to left align a series of equations in MSE [duplicate]

When I use Latex, I use the command "flalign" to left align a long series of equations extending over multiple lines. However, this doesn't work when I write something in MSE. How can I left ...
16 votes
1 answer
333 views

Multiline MathJax on title

With the recent update, MathJax on some titles on the homepage span several lines like this: or this: This makes things a bit tricky to read. Does this happen to anyone else?
7 votes
0 answers
108 views

Some mathjax in an old post is broken due to curly brackets expressions

I found that in this old post Colimit of topological groups (again) some mathjax is broken due to wierd brackets notation. $\left\\{...\right\\}$\left\\{...\right\\}...
7 votes
0 answers
67 views

MathJax overlaps the text

Here's what my All actions | Comments page looks like on Windows 10 with Firefox (default 100% magnification in Firefox and a custom scale factor in Windows settings): $\sum_{k \geq 0}$ in the first ...
7 votes
1 answer
344 views

How do I view latex source code in answers or questions as rendered form or images?

Is it normal to see only the latex source code in questions and answers where they are typed? My perspective: Is there any way to render this into images or some form of intelligible format that I ...
2 votes
1 answer
160 views

MathJax parentheses that span multiple lines

In math.stackexchange.com, how do I get parentheses to span multiple lines? For example, in $$ x \neq y := x \neq x_{j+1}\\ \text{and}\\ \Big(y \not \in \textsf{FV}(A) := x_j \not \in \textsf{FV}(A)\\ ...
10 votes
2 answers
150 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 ...
0 votes
0 answers
114 views

Side by side editor that supports LaTex or Mathjax or similar **and** Markdown?

Writing and editing long entries in stackexchange can be cumbersome. I recently found stackedit.io which is great way to write and edit the longer entries. It has: side by side editor/preview ...
2 votes
2 answers
127 views

How do I write ultimate equality in mathjax?

The above symbol is referred to as ultimate equality in Tristan Needham's Visual Differential Geometry. How do I write it in latex?
1 vote
1 answer
102 views

How can I use q.uiver.app output in math.se?

I made this annotated expression using q.uiver.app and would like to know how I can embed it in a math.se post. q.uiver.app gives me the following LaTeX and also mentions I should include ...
7 votes
1 answer
174 views

Mathjax rendering incorrectly in edit preview.

Update: I later found that anything I edited on Main didn't render properly in Preview. On a whim, I de-activated the LocalCDN plugin I installed after seeing a-super-easy-way-to-speedup-mathjax-...
1 vote
1 answer
131 views

Special commands for absolute value and norm

Normally in LaTeX I find it very annoying to read and edit paired delimiters such as \lvert x \rvert, so I would ...
17 votes
2 answers
747 views

User keeps posting questions with posted images, instead of writing the question themself.

It seems that a certain user is in the habit of posting questions (often homework) by cutting and pasting images instead of taking the time to write it out explicitly in MathJax. With more than three ...
35 votes
0 answers
526 views

A super easy way to speedup MathJax loading with LocalCDN add-on

I found a very neat way to speed up MathJax execution times. Typically whenever I start my browser I have to load up all of these MathJax resources from the Cloudflare CDN when I first visit math....
5 votes
3 answers
411 views

Is there a way to enlarge the expressions in a piecewise function?

$$\text{No. palindromes} = \begin{cases} {n \div 2 \choose (n-k) \div 2, k \div 2}, & n = 2x, k = 2y \\[2ex] {\lfloor n \div 2 \rfloor\choose (n-1 -k) \div 2, k \div 2}, & n = 2x +1, k = 2y \\[...
1 vote
1 answer
62 views

Trouble with the piecewise function - misplaced '&'

I can't understand how I did the piecewise function wrong, I think I've done it exactly like that before. How is the ampersand misplaced?
7 votes
0 answers
138 views

Some titles containing MathJax are shown incorrectly in review queues

I have noticed, several times already, that some titles containing MathJax are rendered incorrectly in review queues, i.e. across multiple rows. I can't remember for sure, but I expect this to also ...
3 votes
1 answer
729 views

Why image cannot be used for explaining my maths problem?

I joined few days ago and have recently asked many questions. In most of these questions, I use image to make everyone understand it better. I prefer to use both MathJax as well as Image. But most of ...
3 votes
0 answers
112 views

Is there a chart corresponding every [Math.SE] LaTeX code to its Unicode character counterpart?

For example, between dollar-signs “\in” displays "$\in$" which is the inline representation of the ‘element-of’ symbol '∈' (which displays equivalently entered instead of its LaTex ASCII ...

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