Questions tagged [mathjax]

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

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-8 votes
0 answers
40 views

In the MathJax Tutorial was does `\demo` do? [closed]

In the $\mathcal{MathJax} \text{ } Tutorial$ there is custom-made $\LaTeX$ command used named \demo. How does \demo work? For ...
-12 votes
1 answer
110 views

How do I get a giant letter $\Pi$ for indexed products in MathJax? [closed]

The following is too small: $\prod_{k=1}^{3}$ \prod_{k=1}^{3} We want an in-line product, not display-style (I do not want the equation center-justified on the ...
-7 votes
0 answers
97 views

How can we prevent MathJax from inserting line-breaks inside of keyboard HTML tags? [closed]

How do I remove the line-break between $Te$ and $X$ inside of $TeX$? Right-click on the equation with your computer mouse and select $\qquad$ show math as → show $\TeX$
-4 votes
0 answers
65 views

How to write the inverse of a matrix in mathJax? [duplicate]

I have a question on limiting a matrix and while formatting it in math jax, I've come until here $\lim \limits_{x \to \infty}$ $(A^n)$ however, when I try to raise it to the power of -1, this is ...
  • 271
-5 votes
1 answer
85 views

How do I prevent $\mathcal{MathJax}$ from putting excessive amounts of space around quotation marks?

How do I prevent $\mathcal{MathJax}$ from putting excessive amounts of space around quotation marks? $\mathtt{"Hello" + "World"}$ denotes the string $\mathtt{"Hello World"}$. Let $A = \begin{Bmatrix}\...
-9 votes
1 answer
106 views

Can we stop marking any and all questions about math-jax as a duplicate of the "MathJax basic tutorial and quick reference"?

$\require{enclose}$ Almost every question about $\mathcal{MathJax}$ gets marked as a duplicate of the, now canonical, $\text{ } \mathcal{MathJax} \text{ Tutorial}$ I often ask simple questions about $\...
-3 votes
0 answers
59 views

How can I write "**TRUE**" or "**FALSE**" in MathJax whout using `\text{}` [duplicate]

How can I write "TRUE" or "FALSE" in MathJax without writing \text{} more than once or twice? Suppose I wanted to describe the set containing ...
2 votes
2 answers
101 views

Vector accent with emphasized origin

A vector accent can be applied to a letter, or a string of letters, via the \vec command, which is built into MathJax, as follows: ...
  • 10.6k
12 votes
3 answers
483 views

Left pointing vector accent

I'd like to typeset $\vec{\square}$ but with the arrow pointing left, where $\square$ stands for an arbitrary letter from the Latin alphabet. I've tried to implement the solution described here, ...
  • 10.6k
0 votes
0 answers
69 views

How do I display stricken text on math.stackexchange.com [duplicate]

As you know, the math branch of stack exchange uses the $\mathcal{MathJax}$ web plug-in. How do I strike-out text on math.stackexchange? I read the documentation for a $\mathcal{MathJax}$ command ...
2 votes
1 answer
48 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^...
6 votes
0 answers
144 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 ...
3 votes
0 answers
210 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. ...
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4 votes
4 answers
214 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:...
  • 10.6k
5 votes
1 answer
116 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 ...
  • 1,053
5 votes
0 answers
77 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 ...
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8 votes
1 answer
231 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 ...
  • 45.2k
4 votes
1 answer
205 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?
3 votes
1 answer
131 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: ...
16 votes
3 answers
675 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 ...
0 votes
0 answers
197 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 ...
2 votes
0 answers
85 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 ...
  • 217k
7 votes
0 answers
171 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 ...
4 votes
0 answers
166 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 ...
  • 437
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?
  • 9,860
1 vote
1 answer
185 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 ...
  • 5,331
0 votes
0 answers
133 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
179 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 ...
  • 3,897
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 ...
  • 2,197
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\\}...
  • 1,809
16 votes
1 answer
338 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?
  • 10.3k
7 votes
0 answers
68 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 ...
  • 10.4k
7 votes
1 answer
352 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 ...
  • 1
2 votes
1 answer
188 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)\\ ...
  • 1,133
9 votes
0 answers
251 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 ...
0 votes
0 answers
148 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 ...
  • 1,133
2 votes
2 answers
130 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
107 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 ...
  • 1,133
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-...
  • 2,896
1 vote
1 answer
133 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 ...
  • 10.1k
17 votes
2 answers
750 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 ...
  • 2,342
36 votes
0 answers
540 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....
  • 1,686
4 votes
3 answers
412 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?
2 votes
0 answers
114 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 ...
  • 107
2 votes
1 answer
812 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 ...
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 ...
  • 34.2k
3 votes
1 answer
79 views

Quote markdown can interfere MathJax, is it a bug or a feature?

I found that quote markdown sometimes interferes MathJax. > This is an example that shows how quote markdown can interfere MathJax. $ E > =mc^2$. produces ...
14 votes
1 answer
696 views

Adding MathJax to the title of posts being edited - bad habit?

Recently, I've found out that questions with $ \TeX $ markup in their title are excluded from the Hot Network Questions. This made me think about my editing habits. One of my favorite topics is ...
5 votes
1 answer
205 views

How to write left superscripts

I can find nothing in the Mathjax tutorial about left superscripts, which are used for the set of functions with a given domain and codomain.

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