Questions tagged [mathjax]

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

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4answers
7k views

When $\LaTeX$-ifying, please use stacked fractions

When editing the contents of a question to "$\LaTeX$-ify" it, especially if the question is of a pre-college (or non-math-major) level, please consider using stacked fractions (...
14
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1answer
6k views

How to input matrices when posting questions at Math StackExchange? [duplicate]

I would like to post a question here in which I would like to insert a $2 \times 2$ matrix with entries $a$, $b$, $c$, and $d$, respectively, in the positions row 1 col. 1, row 1 col. 2, row 2 col 1, ...
14
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1answer
3k views

How to put math equations in a “spoiler” block?

I wanted to do something like >! \begin{align} >! x &= 42 >! \end{align} (Unfortunately even this code block is badly formated! Why is it ...
14
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2answers
9k views

Why use MathJax? It's so slow [closed]

I found that MathJax is extremely slow. Is there a better, lighter and faster Javascript library that can render mathematical notation equally well?
14
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2answers
552 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 ...
14
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2answers
1k views

What should we do about really long MathJax?

I recently came across this answer, which involved some pretty precise calculations. Here's how it rendered in my browser*: Two questions arise: What is the desired technical behavior? Should the ...
14
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1answer
1k views

Please enable AMSsymbols extension for MathJax

Please enable the AMSsymbols extensionfor MathJax. The lack of this extension has led to several independent bug reports. The \not\mid symbol is not working well Tex \implies symbol does not work ...
14
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1answer
387 views

Is there some way to include some default text quickly in a post?

Question. Is there something which would make possible to quickly include predefined text in a new post I start writing. (For example, some bookmarklet for this - with a bookmarklet, one click could ...
14
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3answers
393 views

TeX formatting in other comments in the same post is lost when the comment list is updated

If there's any TeX formatting in comments of a post, after you add a comment to that post, or click "add / show n more comments", all formulae are reverted to $...$....
14
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1answer
290 views

MathJax broken in “Related” section

The MathJax/LaTeX rendering seems to be broken for question titles in the "Related" section. Example from Show that 1 + $\lambda$ is an eigenvalue of $I + A$: (Observed with Safari and Chrome on OS ...
14
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0answers
237 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 ...
13
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4answers
537 views

Is it required to use MathJax for simple listings of numbers?

I was curious. Normal Human recently told me that MathJax is the site's syntax. I am well aware of that and figure that it is just being automated. However, I'm curious whether you must use MathJax ...
13
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3answers
16k views

How to deal with long formula?

How to show a formula too long to fit in a line? For example: $$ P(Y-X=m | Y > X) = \sum_{k} P(Y-X=m, X=k | Y > X) = \sum_{k} P(Y-X=m | X=k, Y > X) P(X=k | Y > X) = \sum_{k} P(Y-k=m | Y ...
13
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3answers
3k views

Huge $\sqrt{\text{Nested} \sqrt{\text{root} \sqrt{\text{problem}}}}$

Background While thinking about these two meta questions scaling root problem $\sqrt{\text{Nested} \sqrt{\text{root} \sqrt{\text{problem}}}}$ I've come up with another "root problem" which ...
13
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1answer
598 views

How can I write roman numbers in MathJax?

I need to write roman numbers in MathJax. I've tried almost every way. But, then I decided to copy the symbol itself. But it looks very ugly. For example, $$\displaystyle \mathcal {D}^{{\left(II \...
13
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1answer
782 views

Save the answer in TEX?

Lot of answers here are excellent but there is no way to save it in LaTeX format. Even if we can put them in favorites or print them or save as pdf . What about create a way to save answers in tex? ...
13
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3answers
387 views

Circumventing displayed equation ban in titles

Using block equations in titles is dissallowed and will be automatically caught. But one can circumvent this ban by using ...
13
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2answers
281 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 ...
13
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2answers
406 views

Trapped in the code: spacing and punctuation next to dollar signs prevents ending paragraphs and environments

Here is a weird bug (or unexpected feature) in the MarkDown engines, probably tex related. ...
13
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1answer
377 views

Network-wide feature request to support MathJax in tables

Many of us here frequently use MathJax, whether for this site or another site on the SE Network. Recently SE added support for tables, but ignored the needs of the communities with MathJax support, ...
13
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1answer
309 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: ...
13
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6answers
558 views

TeX is bunching up in Chrome

I used to get this problem on and off, but now it's mostly on. The TeX that I see doesn't have spaces in the right place, or something; it is getting really hard to read. I'm using Chrome 7.0.503.0 ...
12
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3answers
1k 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 ...
12
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4answers
1k views

MathJax and the French notation for open intervals

\begin{align} \forall x\in(0,+\infty), \quad f(x) > 0 \tag 1 \\[10pt] \forall x\in ]0,+\infty[, \quad f(x) > 0 \tag 2 \\[10pt] \forall x\in {]}0,+\infty{[}, \quad f(x) > 0 \tag 3 \end{align} ...
12
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1answer
1k views

Using block (displayed) equations in question titles

I tried to submit a question to math.SE, and received the following message: Why are block equations not allowed in question titles on Mathematics Stack Exchange? (To be honest, I don't even think I ...
12
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1answer
477 views

Should I edit a question everytime I see an image in it?

I often encounter questions (or even answers!) which contains text-&-latex in an image. Now, should I edit them even if they are 2 years old, already have an answer, just to remove the picture ...
12
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1answer
8k 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?
12
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3answers
489 views

How to best format the question mark that immediately follows an equation in a question sentence?

Searching for "punctuation after equation" didn't turn up anything here so I'll post this as a new question. This question (on a different site) in its entirety: I was wondering where does the ...
12
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1answer
506 views

Are there any tools to automatically correct math formulas?

I am a person who prefer standard formula, so I often edit the formula to make it look better. But I find most of the mistakes or malformedTeX writing have repeated pattern. For example: ...
12
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2answers
1k views

Is there a way to display triangular tables of numbers in MathJaX?

Is there a way with MathJaX (on math.stackexchange.com) of displaying, say, Pascal's Triangle or some similar triangular stack of numbers, such as the Stirling Numbers of the First Kind, without ...
12
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1answer
891 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\...
12
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1answer
961 views

Does $\LaTeX{}$ affect google search?

I was just wondering, do LaTeX in titles or the body of questions affect if they show up in google search?
12
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1answer
480 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: ...
12
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1answer
165 views

“Big” TeX won't get hidden by `!>`?

I just posted an answer here but I am finding it impossible for >! to work with the \begin{align} environment. How can this ...
12
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2answers
636 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 ...
12
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2answers
868 views

MathJax makes preview flicker

When using quite some TeX (or using a slow computer), every time the preview of the post you're writing is updated (and MathJax reloads), the preview flickers. This is getting very annoying. It's a ...
12
votes
1answer
276 views

Ugly spacing when using \binom

The rendering of binomial expressions in MathJax seems a bit off. The spacings are a bit too large in my opinion and it looks a tiny bit asymmetrical. Inline Lorem $10+\binom32\times\binom xy$ ipsum....
12
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1answer
719 views

Mathjax 2.3 beta

UPDATE: Mathjax 2.3 is now live We have deployed the latest Mathjax 2.3 beta on Math.SE. As with any beta release please post an answer to this question if you find any issues. We will be ...
12
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1answer
1k views

Mathjax 2.1 beta

The next build will enable Mathjax 2.1 officially. Thanks for your help and feedback! We will be deploying the latest Mathjax 2.1 beta soon. As with any beta release please post an answer to this ...
12
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1answer
202 views

Suggestion for changing LaTeX preview/compile frequency.

It appears that the preview box for making a new post updates on every key press. For small posts this is very useful and makes the whole process very user friendly as it permits immediate feedback on ...
12
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1answer
498 views

Re-render MathJax in comments

A couple of months ago, Kaestur Hakarl wrote a comment in Feedback on MathJax TeX rendering which didn't receive enough attention: ... Is it possible for the re-rendering pass to also cover ...
12
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0answers
125 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 ...
12
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0answers
109 views

Why we can't see suggested edits rendered in latex before approving? [duplicate]

I've noticed that when viewing suggested edits there is an option to show rendered output but it doesn't actually show what the edit will look like after latex has been compiled. I realize there is ...
12
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0answers
1k views

MathJax preview broken when equations contain `\label`s

One can use \tag, \label, \ref and \eqref the usual way ...
11
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2answers
4k views

\qed for MathJax here on stackexchange

How to get MathJax render the \qed-command? Is there a way to use it? Maybe aligning the $\Box$ \Box under the current line?
11
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2answers
1k 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?
11
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1answer
1k views

How can I draw a tree like this?

I want to draw the following tree in a question. But, I don't want to upload a picture. Can anyone tell me how to do it using MathJax?
11
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1answer
45k 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 \...
11
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1answer
646 views

equation and equation* is the same for me

Is it supposed that equation and equation* environments work exactly the same? For example, for me \begin{equation} a=b \end{equation} \begin{equation} a=b \end{...
11
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2answers
2k views

Tex math formula rendering not working on math.stackexchange.com but does work on other sites

I'm running Ubuntu 12.04. In both Chromium and Firefox (ver 25), math.stackexchange.com fails to render the math formulas. However, if I go to http://www.mathjax.org/, I see correctly rendered math ...

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