Questions tagged [mathjax]

Bug reports and suggestions for the MathJax system used to compile basic LaTeX code on the site.

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26 votes
4 answers
720 views

Which Latex / MathJax features do we need or want to have supported on the site?

As we've started discussing, Stack Exchange is planning to redo the editor for all questions and answers across all their sites. As articulated by Emilio Pisanty, these changes will have significant ...
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25 votes
4 answers
7k views

On using MathJax to create 'white space'

The purpose of this post is, first, to raise awareness (as this, reasonably, might not be clear) that the way some (and it seems to me the number is growing) use MathJax to create 'white space' (or to ...
user avatar
20 votes
1 answer
789 views

The math! It's overflowing!

See what happens if you expand the comments on this question, we get this prime example of a math overflow: Of course, this is due to a \$ problem, but still, it seems to be a flaw in the CSS that ...
18 votes
2 answers
601 views

What's the point of having an *MO* chat without LaTeX enabled?

The title says it all. :-) In response to the automatic disapproval of the question body: I tried to edit the chat messages after submitting but couldn't figure out how to do that either. (And I ...
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18 votes
0 answers
3k views

Can we replace client-side MathJax with server-side MathJax?

One of the (many) problems with MathJax is that formulas are rendered using a client-side JavaScript. Apart from the process itself being ridiculously slow, this also means that the entire page must ...
17 votes
1 answer
10k views

KaTeX vs MathJax

According to some benchmarks, it seems that KaTeX renders latex much more faster than Mathjax. Is there any chance to use KaTeX in place of Mathjax?
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15 votes
2 answers
681 views

Why does mathoverflow constantly compile the latex for my questions and answers?

Whenever I ask or answer questions on mathoverflow, the output is constantly being compiled. While this is sometimes a desirable feature, it turns out that at least for my computer, when I am giving a ...
14 votes
3 answers
946 views

Is it OK to abuse Mathjax for emphasis?

The author of this question uses Mathjax (in a way different from its intended usage) to make parts of his question stand out more; for instance, to display some headers in red or to alter the spacing ...
14 votes
3 answers
1k views

List of recurrent technical problems involving MathJax

Edit: I have retagged this question 'feature-request' in an attempt to expedite action on these issues. I request that the MathOverflow developers implement an automatic fix of the issues in the ...
14 votes
1 answer
571 views

Would disallowing displayed equations ("double dollars") in titles be useful?

If a poster includes in the title some formula in enclosed between $$, like $$x^2+y^2=z^2$$ $$x^2+y^2=z^2$$ the title of the ...
14 votes
1 answer
600 views

FAQ on typesetting of formulae hard to find

You might have all noticed that https://mathoverflow.net/help/formatting does not mention (La)TeX. I believe this is a very important topic and should not be hidden in "advanced"; actually, a link ...
14 votes
0 answers
234 views

Long MathJax in comment breaks linewrapping throughout the comment thread [duplicate]

A picture is worth a thousand words; here is what I am talking about, from the comments on this post. By posting a very long formula into MathJax, not only have I caused my own comment to run off the ...
14 votes
0 answers
294 views

Please enable the AMScd package by default

We can draw diagrams using the AMScd package, and works quite nicely (see Math.SE for a working proof). However, on MathOverflow the package seems to be disabled by default, so if a user wants to use ...
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13 votes
1 answer
162 views

No MathJax on meta

Meta doesn't seem to have MathJax enabled ($x=y$). I think it's best enable it to be consistent with the main site.
12 votes
1 answer
11k views

Using MathJax for formating (**bold**, *italics*)?

Some users use MathJax to get italicized or bold text. This is sometimes done in titles (where MarkDown is not available), but some users do this also in body of a question, where MarkDown is used. ...
12 votes
1 answer
165 views

Braces don't render in preview

When I type braces in math mode in a post, like $\{1,2,3\}$, they don't show up in the preview. See the following screen shot. I tried all the different Math ...
12 votes
3 answers
1k views

How to turn off the MathJax preview?

The constant compiling of MathJax while composing a post is undesirable for me. How can I stop the MathJax preview? Is there a way to turn off the MathJax preview? Where is the button to switch off ...
user avatar
12 votes
1 answer
295 views

MathJax on Chat

Is there MathJax support on the chat?
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12 votes
1 answer
619 views

Problem with posts and comments relying on macros defined elsewhere

MathJax supports possibility do define macros. (Using \newcommand, \DeclareMathOperator, \def...
11 votes
1 answer
2k views

Diagrams in MathJax via xypic.js

Apparently, the Stacks project can load a MathJax extension called xypic.js (check the source code) and then has access to ...
11 votes
2 answers
360 views

Double backslashes

The “backslash-bug” from the old version is no longer there. You can simply write { and } to get $\{\}$. However, all the old questions and answers using \{ are now broken and look terrible: $\prod\\{...
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11 votes
0 answers
141 views

MathJax in suggested edits

Pages like https://mathoverflow.net/review/suggested-edits/1435 display suggested edits for review. The original and edited versions are displayed in parallel columns with the differences highlighted....
10 votes
4 answers
270 views

Is it possible to see the source for a comment?

Although this question seems to be new to M.MO, @MartinSleziak points out several related posts on Meta.MSE. I was curious about the diagrammatic magic of @YaakovBaruch's recent comment, and so ...
  • 9,057
10 votes
2 answers
4k views

How does one type mathematical formulas on this site?

I can see that the posts on this site contain nicely displayed mathematical formulas. How can I get such formulas in my posts? What syntax is used to typeset them? Note: This is an attempt to make at ...
10 votes
1 answer
467 views

Quickly Accessible MathJax Help

I recently had the problem of encoding big brackets in a formula in my question "Functions that Calculate their $L_p$ Norm" and, I could find nothing under "How to Format > MathJax equations", as the ...
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10 votes
0 answers
239 views

Where is the off switch for the concurrent preview now?

I feel like an idiot but I cannot find it. Meanwhile, if the post is long and has a lot of LaTeX formulae in it, and the connection is imperfect, the wysiwyg regime is a non-stop fight. I figured out ...
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9 votes
0 answers
281 views

Mathjax CDN is shutting down effective April 30th 2017

If you haven't seen the official announcement yet, Mathjax is shutting down their CDN effective April 30th 2017. We are currently looking for alternatives for hosting this service including self ...
8 votes
1 answer
447 views

Math font render problem

I have some issue with the math font for quite some time now. And it only happens on this very site, and not on any other site. Some of the letters, some of the time, don't render part of the top ...
  • 35.9k
8 votes
0 answers
104 views

Some but not all LaTeX rendering correctly on tools page

Users with sufficiently high reputation have access to a "tools" page, which I like a lot. However, sometimes I find that the $\rm\TeX$ doesn't render properly. What is particularly puzzling ...
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8 votes
0 answers
148 views

TeX sometimes displays incorrectly on search pages

When I type a search into the search box, sometimes the list of questions returned contains incorrectly handled TeX (of the sort that once was common all over the place here). Here is an example: ...
7 votes
2 answers
255 views

MathJax problems in comments

I'm not sure if this has been reported elsewhere. See for example Fred Kline's comment on quid's answer at https://mathoverflow.net/questions/104608/need-help-defining-placeholders-for-primes The ...
7 votes
1 answer
189 views

`\intertext` in MathJax

MathJax, at least as used on MO, recognises many multi-line environments, like {multline}, {align}, and ...
  • 9,057
7 votes
1 answer
394 views

A set of basic LaTeX macros for MO?

Do you think it would be feasible / possible to put together a basic header file of "standard" LaTeX macros that we might be able to use when typing up MO questions or answers? I mean, basic objects ...
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7 votes
3 answers
1k views

Why is LaTeX not displaying correctly? [duplicate]

In this answer On a proof of the existence of tubular neighborhoods. and Neil Strickland's answer here Is the counit of geometric realization a Serre fibration? the laTex is not displaying correctly (...
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7 votes
2 answers
155 views

Previewed post does not match rendered post when MathJax uses *

In revision 2 of Number of permutations in $S_{a + b}$ with $\operatorname{maj}(\pi) = b$ and $\operatorname{maj}(\pi^{-1}) = b$, I edited an equation that had been manually given the label ...
  • 9,057
7 votes
1 answer
167 views

Right-clicking on a mathjax link does wrong thing

Surely I am not the only user of this site with this habit - if I want to have look at the linked content I right-click on the link to open it in a new tab, so when I finish reading I then turn to the ...
7 votes
0 answers
231 views

Editing an old post to add MathJax

Sometimes I come across an old post which does not use MathJax. Is it OK to edit such a post if the edit improves readability? This question (and its answers) motivated this post. I know some users ...
7 votes
0 answers
303 views

Can Mathjax preview be switched off?

I recently typed an answer with a few formulas in it. While I was typing, my browser constantly reloaded the preview part below the typing window. Because MathJax apparently does three passes over the ...
7 votes
0 answers
12k views

Google Chrome not rendering Latex in browser

I have seen a solution to this problem for Firefox, but assume it is not the same for Chrome. This just started happening recently, and I have no idea how to fix it! Any mathematical typesetting on ...
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6 votes
5 answers
248 views

How to avoid prepending a blank line or indenting the first line of a post when using \newcommand?

When \newcommand is used, it is somewhat common that it is used in such a way that the (rendered) post starts with a blank line. While this is minor, it is still ...
user avatar
6 votes
2 answers
2k views

Numbering and cross referencing of equations in questions and answers

A basic LaTeX feature which I sometimes miss when asking and answering questions in MO (specially when the question and the particularly the answer are longer) is the possibility of numbering ...
6 votes
2 answers
521 views

Repeated TeXifying of question titles

A specific user has recently edited a lot of years-old posts in which, as far as I can tell, he is just TeXifying titles. While I assume that this is being done with good intentions, it seems likely ...
  • 9,057
6 votes
4 answers
1k views

Formatting Sandbox

The purpose of this thread is to enable people to check if their formatting works and to play around with their MathJax code. Quoting from Bill Dubuque's Formatting Sandbox on meta.math.SE: To use ...
6 votes
1 answer
1k views

Is it possible to use tikzcd code in MO posts?

Question : Is it possible to use tikzcd code in MO posts? There are information for drawing diagrams using AMScd ...
6 votes
2 answers
576 views

MathJax accents in Safari 10.1

Tilde accents, such as $\tilde g$ (typed as \tilde g), seem to be displaying bizarrely, with the tilde to the right of, rather than on top of, the accented symbol, ...
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5 votes
1 answer
89 views

Formatting problem

In my answer to When is the closed unit ball in a smaller Banach space closed in a larger Banach space? I wrote the following: > Edit: $Y=Z^*$ does not display correctly when it is in the body ...
5 votes
1 answer
852 views

Examples of MathJax codes of directed labelled graphs to use in a MathOverflow Question

I need some examples of MathJax codes of directed labelled (with loops or multiple edges) graphs to use in MathOverflow Questions so that I could easily change them to my graphs. Here is my try to ...
5 votes
1 answer
194 views

Backticks breaking MathJax in comments

The backticks that were used to circumvent MathJax problems on MO 1.0 were removed in questions and answers. However, it appears that the comments were not affected by this fix and thus display ...
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5 votes
0 answers
161 views

Did mathcal stop working properly?

Does this question Basic algebra of $\mathcal{O}_0(\mathfrak{sl}_n(\mathbb{C}))$ — Reference request look like this for anyone else?: Those squares are supposed to be \mathcal{O}'s. As far as I can ...
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5 votes
1 answer
190 views

Long display style formulae extend too much to the right with some renderers

In the following screen capture, take a look at the region delimited by the red rectangle: notice how it extends too much to the right, such that a part of it becomes hidden by the yellow page element....
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