Hot answers tagged

27 votes

Is it OK to abuse Mathjax for emphasis?

I agree that text formatting should be accomplished with Markdown if at all possible. Since Markdown is used across Stack Exchange, there will generally be better support for proper rendering across ...
23 votes
Accepted

KaTeX vs MathJax

Currently, KaTeX supports a limited subset of the functionality provided by MathJax. Many of the missing functionality (notably arrays and equation alignment) is regularly used on MathOverflow, so I ...
18 votes

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

Need: Most importantly, a true preview which shows me exactly what I have written and which I can look at without affecting my LaTeX. Support for at least the symbols in standard LaTeX and amssymb (...
17 votes

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

This is not an answer expressing a preference, but one giving some resources for people to consider. Intmath.com made a Speed Comparison Test between KaTeX and MathJax. MathOverflow is currently ...
  • 32.5k
15 votes

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

I want to see how may people also have this problem or if I am the only one, so let me conduct a basic poll. $\bullet$ If you have the problem where typing a long answer with plenty of mathematics ...
13 votes
Accepted

Numbering and cross referencing of equations in questions and answers

MathJax supports manual numbering using $$\tag{…}$$, as below: $$\tag{1}\label{grz}\Box(\Box(p\to\Box p)\to p)\to p$$ $$\tag{1}\...
13 votes

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

I understand the sentiment to have this blacklist, but I don't think it's really important for MathOverflow to have it. Very few questions have ever had $$ in their ...
12 votes
Accepted

Is it possible to see the source for a comment?

One approach would be to use the MathJax contextual menu to select the "Plain Source" renderer, which will show the TeX commands rather than typeset expressions. That means you would not ...
11 votes
Accepted

Braces don't render in preview

This had to do with the citation helper script - mostly with how I implemented the integration with the editor. The fix is being deployed right now.
  • 101
10 votes
Accepted

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

MathJax in chat You can find some information on MathJax in chat in the following posts from Mathematics meta: Should chat have TeX support? You can find in an answer a bookmarklet which you can ...
10 votes

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

My apologies if this should be a comment rather than answer, but robjohn has a website with some very handy bookmarks to deal with these issues. Obviously it would be preferable if a bookmark bar ...
  • 101
9 votes

How does one type mathematical formulas on this site?

This site uses MathJax - which is a library which for displaying mathematics in web browsers. The syntax is basically LaTeX, so if you are already familiar with TeX or LaTeX you should be fine. (It is ...
8 votes
Accepted

Repeated TeXifying of question titles

The user has been contacted by a moderator. Please advise if the behavior persists.
  • 51k
8 votes

Formatting problem

This had to do with the citation helper script - mostly with how I implemented the integration with the editor. The fix is being deployed right now.
  • 101
8 votes
Accepted

`\intertext` in MathJax

No, MathJax doesn't have an implementation \intertext, as MathJax's internal format is MathML and there is no natural way to accomplish it within the MathML that ...
8 votes
Accepted

`\eqref` across posts

Originally posted as a comment - expanding to an answer, following the request from the OP in a comment. After a recent edit, the post renders correctly with ...
7 votes

TeX bug: \mod and \pmod gone

MathJax v2.6 was released on Dec 30, close to the OP. These updates can lead to errors if a browser cache contains a mix of MathJax components with different versions. In that case, clearing the ...
7 votes

Is it OK to abuse Mathjax for emphasis?

I think the question is too emotionally laden to present the problem correctly. To me it is like "All the preprints use Knuth's computer modern font. How dare we change that?". The use of the word '...
6 votes

FAQ on typesetting of formulae hard to find

One could make the argument that someone unfamiliar with LaTeX probably won't have the requisite background to contribute meaningfully in this site. Granted, there are some peculiarities with MathJax. ...
6 votes

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

Here is one possible way to draw your diagram. The AMScd package doesn't seem to support longer arrows, so 7 has to make quite an detour. $\require{AMScd}$ \begin{CD} 7 @= 7 @= 7 @= 7\\ @| @. @. @...
6 votes
Accepted

One number on top of another with mathjax?

Like this: $\begin{eqnarray*} & 682 \\ -&426 \\ \hline \end{eqnarray*}$ $\begin{eqnarray*} & 682 \\ -&426 \\ \hline \end{eqnarray*}$ For general $...
6 votes
Accepted

Triangle commutative diagram does not work here at MO

This is a community wiki answer made explicitly for testing. $$\require{AMScd}\begin{CD} A \\ @VVV \\ B \end{CD}$$ $$\require{AMScd}\begin{CD} A \\ @VVV \\ B \...
6 votes

Triangle commutative diagram does not work here at MO

Added in 2022. The website mentioned below does not work now - so this is no longer an option. (It seems that it has been down for some time. And the corresponding GitHub repository seems to be ...
6 votes
Accepted

MathJax equivalent of `<strike></strike>`

Yes, there is \require{cancel}\cancel{1+1=2}$$\require{cancel}\cancel{1+1=2}$$ and ...
5 votes

The math! It's overflowing!

The problem is caused by the fact that if a comment contains many consecutive characters without a space, the Stack Exchange software inserts invisible unicode character (\unicode{x200C}\unicode{...
5 votes

How does one type mathematical formulas on this site?

You can find a very basic introduction to MathJax (LaTeX) syntax in the other answer. Here are links to some further resources that might be useful. (Some of them are not specifically about MathJax, ...
5 votes

Is it possible to use tikzcd code in MO posts?

To the best of my knowledge the only type of commutative diagrams supported by MathJax is AMSCd. Some info on commutative diagrams can be also found here: How to draw a commutative diagram? There is ...

Only top scored, non community-wiki answers of a minimum length are eligible