Use this tag to indicate question about how to type TeX/LaTeX equations on this site, and bugs regarding the TeX rendering (the MathJax engine). Here you'll find the [MathJax basic tutorial and quick ...

learn more… | top users | synonyms (2)

4
votes
1answer
38 views

Using displayed equations in question titles

What's the deal about using displayed equations ($$...$$) in question titles on Mathematics Stack Exchange?
0
votes
0answers
102 views

double Latex tags (Open and Close) multiple times in title Broke Math.stackExchange.com sorry!

Sorry, I made the title in one of my questions contain $$ $$ $$ $$ $$ $$ $$ $$ and it broke the page here: Possible new definition of Gamma (Euler-Mascheroni ...
5
votes
1answer
52 views

Latex not rendering properly in search

While searching for degrees of field extensions, I discovered that the Latex is not being rendered properly for this question, but only in the search. When I visit ...
2
votes
0answers
44 views

Strange behaviour of MathJax in comments [duplicate]

It happened to me a couple of times to see MathJax code not properly rendered in a comment. All occurrences I remember of were caused by a Control Sequence being cut off too soon, as the ...
31
votes
2answers
781 views

A MathJax alternative from Khan Academy

Khan Academy has just published KaTeX, a Math typesetting library. From what I can see on their site this seems to be pretty much a MathJax replacement with much better performance. The performance ...
28
votes
0answers
296 views

Bookmarklet plugin to speed up LaTeX macro typing

I've developed a little tool that assists in writing LaTeX macros. It works the same as the OSX press and hold accent picker. You press a key, and then there will appear a pop menu, with symbols ...
1
vote
1answer
91 views

How to write down the equations? [duplicate]

I am new at the website. I see that there are equations in many posts as well as in the answers. I can't write down this equation in this website. But I need to write it. This may seems to ...
6
votes
0answers
133 views

LaTeX formulae now look strange

A few days ago my internet browser (Google Chrome) was updated and formulae on MSE became strange. I didn't make my own screenshots earlier, but the change you can see below (I've found similar ...
0
votes
0answers
63 views

About your math inputting system. [duplicate]

Is there a pdf file listing all the symbol combinations to write 'square root' or indicate division or how to write special symbols , like Euler's function or the sigma symbol etc.?
3
votes
2answers
92 views

Issue with zoom feature in MathJax

I have noticed a curious bug in the way MathJax is setup on MSE. MathJax has feature to zoom its formulas via "Math Settings -> Zoom Trigger" menu option. I normally use this menu option and set ...
1
vote
1answer
131 views

$x$ to $f(x)$ chart using MathJax (LaTeX)? [duplicate]

Is it possible to do a simple x-y table in MathJax for Math StackExchange questions? Something like this: I admit it would probably be a waste of time for most questions, but I'm sure it could have ...
0
votes
0answers
51 views

Question about formatting formulas in question [duplicate]

How do you do it so that the problem you put in the question does not look like: ((x+5)-(x+4))/2 but looks like the actual problem-- I'm guessing you use LatEx or whatever it's called but where do I ...
6
votes
0answers
120 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 $10+\binom32\times\binom xy$ ...
1
vote
0answers
38 views

Proper hygiene for macros [duplicate]

I often use \def to define macros in my answers, but it concerns me that these definitions leak out of my answer and can affect the entire page. The potential ...
6
votes
0answers
70 views

MathJax not rendering correctly on full site on mobile.

When I use mse on my phone I always use the full site because personally I hate the mobile one. This has been a good experience before and I had no problem with mathjax rendering latex incorrectly. ...
2
votes
1answer
98 views

MathJax \cancel not working

Why isn't this working? $\require{cancel}$ $ \cancel{x} $ I copied it directly from "Crossing things out" on MathJax basic tutorial and quick reference EDIT: It's been fixed
0
votes
1answer
94 views

How do I use MathJax? [duplicate]

It has become apparent to me and many here that I don't understand MathJax inputs. I primarily just need to understand how to input calculus problems. Can anybody put me on the right path to ...
4
votes
0answers
56 views

Broken comment is un-editable and un-deletable [duplicate]

I added a comment to a question with broken MathJax tagging, and it is causing all comments to be formatted horribly and putting the "Edit" and delete buttons under the links on the right side of the ...
2
votes
0answers
56 views

Does the use of labelled equations and equation references normally slow up rendering?

I spent the evening learning how to mark up equations with labels and use references, following the advice here. However, this probably took about twice as long as it ought to have, because it seems ...
-1
votes
1answer
280 views

Question in obfuscated code

This question (source (code) of second revision) is written in bizarre obfuscated code. I am referring to the code, not to what you see when you read the question. One cannot help suspect some kind of ...
5
votes
1answer
194 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? ...
0
votes
1answer
54 views

Does the MathJax formatting function in Linux computers?

I have a linux computer, openSUSE 13.1, and am trying to ask a question in the math stackexchange. However, as I am typing the paragraph underneath the text box where I am typing does not produce any ...
1
vote
0answers
47 views

MathJax for a dummy [duplicate]

After I made my first post here in math.stackexchange, I decided that I could write in the proper format and not rely on some poor soul to do the work for me. I have downloaded the latest version of ...
0
votes
0answers
69 views

Drawing commutative diagrams

I am reading category theory and in order to post my questions I need to make commutative diagrams. Here is a question with useful answers already available. However I would like to use the DCPic ...
19
votes
0answers
209 views

Why is there no support for MathJax in chat?

The question Should chat have TeX support was first asked 3½ years ago, and it has been asked at intervals since then. I am not asking that question. I know that chat should have TeX support and ...
1
vote
1answer
75 views

Is it possible to draw a diagonal arrow in a commutative diagram?

I have read the question How to draw a commutative diagram? but as far as I'm aware, the amscd package doesn't have a way to draw diagonal arrows. Is there some other package we can use to draw ...
0
votes
0answers
50 views

Question about symbols on this forum [duplicate]

So I found out it uses "latex" can I just write down the uhh formulas for the symbols I want, and it shows up after I hit the post your question button?
6
votes
0answers
232 views

MathJax and Android's Chrome bug

This is what I see on Chrome 35.0.1916.122, Android 4.4.2 (KitKat), Nexus 5:
3
votes
0answers
48 views

Excerpts in search results breaks MathJax fragments

For example: http://math.stackexchange.com/search?q=conditional+expectation+user%3Auser130272 The problem, of course, is that the excerpt extraction code apparently is not aware of MathJax ...
5
votes
0answers
67 views

How can I make an array with all columns as wide as the widest one?

For example, let's say I wanted to make this diagram of a board in the game 2048: $$ \begin{array}{|r|r|} \hline 1024 & \color{white}{0}512 & \color{white}{00}16 & \color{white}{000}2 \\ ...
3
votes
0answers
70 views

Please add TeX rendering in titles on the iOS app

I posted a feature request on meta.stackexchange.com a couple of days ago concerning TeX support in titles on the SE app on iOS. The reason I posted it there was the fact that MathJax is supported on ...
12
votes
2answers
384 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 ...
2
votes
2answers
131 views

Should I flag comments, where long MathJax breaks page layout?

There were several posts mentioning that for various reason (mistake in the LaTeX-code, automatically inserted space) MathJax can break page layout: Formatting bug: long mathjax or code blocks break ...
19
votes
4answers
869 views

Mathjax 2.4 beta

We have deployed the latest Mathjax 2.4 beta on Math.SE. As with any beta release please post an answer to this question if you find any issues. We will be monitoring this thread closely along with ...
0
votes
1answer
141 views

How to write powers ( exponents ) in a proper way? [duplicate]

I don't how to write the powers or the exponents and the other mathematical expressions
1
vote
3answers
92 views

Does MathJaX have a command to stretch or reduce vertical space?

The equations below: $$\begin{align} \sum_{i=1}^n F_{2i-1}&=F_1+F_3+F_5+\cdots+F_{2n-1}\\ &=1+2+5+\cdots+F_{2n-1}\\ &=F_{2n}\\ \end{align} $$ have a problem with too much space between the ...
0
votes
2answers
88 views

How to type math symbols in this forum [duplicate]

How can I type math symbols in this forum, like set operators, etc.? If this question is repeated, I am sorry I just searched and couldn't find an answer. And could anyone give me hint to use Tags ...
8
votes
0answers
65 views

Hot network questions incorrectly use MathJax

This is the converse of Title formatting of LaTeX in StackExchange hot questions list. I noticed that when on Math.SE, MathJax can screw up the formatting of question titles in the "Hot Network ...
4
votes
2answers
113 views

Formatting bug: long mathjax or code blocks break entire post or page

Long, broken MathJax expressions seem to break the formatting of all comments on a post, causing them to spill to far over to the right. In addition to making the comments hard to read, it can make ...
3
votes
3answers
66 views

Programs that display maths symbols like this site to type a maths assignment

I am searching for a program that uses the same sort of language as this site that I can type up maths assignments on. I downloaded MikTex (once I installed it, the only program I could find was ...
3
votes
1answer
134 views

How to write mathematical symbols such as $\sum_{i=n}^\mathbb{N}$ with indices below/above the $\sum$ [duplicate]

I want to write: $\cup_{n \in \mathbb{N}}$, and $\sum_{i=n}^\mathbb{N}$. But I want them the index to be above and below the symbol, not to the side, how do I fix this?
3
votes
0answers
59 views

LaTeX with Edits

Two questions: Right after I edit one of my own questions and look at the rendered $\LaTeX$, it looks funny. Everything appears larger than normal and the math seems to be oversized or written in ...
2
votes
1answer
63 views

Vertical bar in matrix appearing twice

$$ \left( \begin{array}{c|c} \Huge{a} & \Huge{b} \\ \hline \Huge{c} & \Huge{d} \end{array} \right) \quad \left( \begin{array}{c|c} ...
0
votes
0answers
56 views

Loading LaTeX packages

Is it possible to load a LaTeX package and/or use its features on this site? In my case, I'd need to load multirow to make block matrixes. Is that possible? Or is ...
2
votes
1answer
38 views

Preview for titles for sites with MathJax

It would be helpful if the title could be included in the preview, since there is no way of knowing if the MathJax you have entered into your title is valid/does what you want until you actually post ...
3
votes
1answer
78 views

Mathjax spacing is wrong in scriptstyle \bmod

(This is mainly addressed to Davide Cervone.) a\bmod 3 renders correctly in display or inline normal size, but when I use it in a superscript it is not properly ...
7
votes
1answer
150 views

How can I use \newenvironment?

For example, let us say that I want to use macro to typeset matrices. Just in case I later decide that I want to somehow change how they look, I can then change it in one place - in this macro. ...
1
vote
1answer
43 views

Bug in rendering math in comments [duplicate]

I recently left a comment here containing the equation $$\sigma(i_1\;i_2\;\cdots\;i_n)\sigma^{-1}=(\sigma(i_1)\;\sigma(i_2)\;\cdots\;\sigma(i_n))$$ but the last $\sigma$ is broken, displaying instead ...
6
votes
0answers
64 views

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

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 ...
3
votes
2answers
105 views

MathJax: How to number and reference multiline equations?

I'd like to number multiline equations and reference them, à la MathJax's Align and Gather environments. Can this be accomplished? If so, how?