For questions about MathJax, which is used to write mathematics on this site. (It uses basically LaTeX syntax.)

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18
votes
3answers
367 views

What to do with edits that “just add dollar signs”?

It's no secret that a lot of the people out there don't know enough LaTeX. Maybe they were never exposed to it, or maybe they are just unaware of the fact you can use MathJax on the site. So ...
4
votes
0answers
52 views

Why does Tex stop rendering after a writing post for a while? How do I fix it?

This frequently happens to me. I am in my zone writing a long and detailed description in my post, and suddenly the Tex stop rendering in the display section. This is rather annoying because I do ...
19
votes
1answer
189 views

Can a link to MathJax tutorial be added to the Tour?

The tour of this site, i.e., its 2-minute introduction to new users, proclaims: With your help, we're working together to build a library of detailed answers to every question about math. This ...
2
votes
2answers
96 views

merge cells of arrays in math mode

Is there a way to type an array with certain cells merged in math mode on StackExchange? I tried to use multirow and multicolumn commands within array environment, but apparently MathJax does not ...
2
votes
2answers
84 views

modulo operator rendering poorly

The \mod operator is padded with too much space: $a \mod b$. Am I missing something in the TeX, or is something configured wrong? I've tried with Firefox and ...
1
vote
1answer
106 views

Why is the only the MathJax tutorial written by a user on Meta? Why not a dedicated page linked from math.SE? [closed]

Shouldn't users, especially new users like me, have a prominent link explaining how to use MathJax on the front page of Math.SE? Why is the only tutorial here: MathJax basic tutorial and quick ...
3
votes
1answer
73 views

Are there any plug-ins or software programs (preferably free) that you use to generate MathJax equations and edit them?

It's taking me a very long time to ask questions and respond on here, just because I'm having a hard time figuring out the syntax... Do any of you have suggestions?
4
votes
0answers
58 views

Formulas overlap text and sidebar

Found an annoying bug: going here gets you this: If you remove the end bit then it's ok. Chrome version 43.0.2357.130 (64-bit)
2
votes
0answers
107 views

Privilege to be the “special function” and commands {\rm abc} and \text{abc}. (MathJax) [duplicate]

In the point 11 of MathJax tutorial there is written that for "special functions" (it shouldn't be understood as a mathematical function btw.) like sine we can simply use \sin to get $\sin.$ ...
3
votes
1answer
68 views

MSE iPhone App: Math display in problem titles

For the MSE app for the iPhone, the math display is OK for the main body but is displayed as input code in problem titles - is there any way to solve this? Thanks.
0
votes
0answers
77 views

Can I see the original Tex-code? [duplicate]

I was wondering if it is possible to see the original Tex-code of questions/answers?
0
votes
0answers
70 views

Symbol for permutations in MathJax

In the basic tutorial on MathJax, I'm unable to find the symbol for permutations. Could someone please enlighten me on this ?
2
votes
0answers
48 views

Apparent MathJax bug [duplicate]

$\displaystyle\frac{1+\frac12+\frac13+\cdots+\frac1n}{1+\frac13+\frac15+\cdots+\‌frac{1}{2n+1}}$ In what I see above, the very last fraction is not getting rendered. What's going on?
1
vote
0answers
69 views

Can I use the cancel command in MSE? [duplicate]

I was typing an answer to a question here in MSE and since I did not want to write with words that the integral cancels to zero, I tried to use the command \cancel. ...
11
votes
0answers
72 views

Writing answers - slow rendering + CPU load

This is the same issue like the one presented here, only now with a more powerfull machine. The fact that preview is generated instantaneously makes it hard to write longer answers. Sometimes, even my ...
20
votes
2answers
567 views

Is there a way such that I can put text in $$ without changing the font?

Sometimes I need to cancel \cancel{} or \enclose{horizontalstrike}{} or change color \color{}{} using methods introduced in this ...
3
votes
2answers
108 views

MathJax display issues within iOS app

I have been using the Stack Exchange app on my iPhone for three months or four. Generally this app is really appreciated, which provides a relatively quicker connection to this site and a freer ...
1
vote
1answer
110 views

Newton Derivative Notation in LaTeX

I personally like the Newton notation of the derivative, a single dot on top of function that is to be differentiated. So I was wondering if it's possible to use that notation in LaTeX? Thanks
2
votes
0answers
97 views

How to reproduce the “old” Peano's symbol for set inclusion

In his Arithmetices Principia Novo Methodo Exposita (1889) [see this post Giuseppe Peano used an $\text {"inverted C"}$ for set inclusion (modern : $\subset$). There is a way to "invert" the ...
0
votes
0answers
31 views

Vertical lines in array not appearing (Chrome)

On the main site, in Google Chrome, the vertical lines of an array made in $\LaTeX$ do not appear. They appear in meta, but not on the main site. Here is a latex array: $$\left[\begin{array}{c|c|c|c} ...
1
vote
0answers
58 views

using a matrix table for mathematical purpose [duplicate]

I need to know how to use matrices on this site for a mathematical argument, maybe this question was asked a lot, but I couldn't find the answer for this through the site, any link?
-1
votes
1answer
69 views

Need Help Creating Symbols [duplicate]

I am sorry I need to ask this, but how in the world can I insert mathematical symbols into my questions and answers such as lim, integrals, sums, etc. (I'm new)
21
votes
1answer
176 views

MathJax doesn't display in the new profile page

This seems suboptimal: I'm running Mac OS 10.10.3. This happens for me in Safari (8.0.5), Firefox (38.0) and Chrome (41.0.2272.118), although in Chrome I do get a brief flash of equations during ...
4
votes
2answers
128 views

MathJax contradiction symbol? (\lightning)

I like to use the stmaryrd symbol $\lightning$ for contradictions, but \require doesn't support ...
3
votes
1answer
107 views

LATEX question about logical symbol

For the "entailment" relation we have $\models$ (\models or \vDash). Sometimes I need "logical equivalence", sometimes symbolized as "=||=". Question : where I can find $\leftmodels$ or one of its ...
9
votes
0answers
75 views

Latex preview on question title?

Almost every single time I type a question I end up having to go back and edit the title due to no latex preview. Obviously you can write the title in the body first to check it but it's very easy to ...
4
votes
0answers
68 views

A small hitch when sharing on twitter

If I like the share link to share a question or answer on twitter, the text automatically generated has repeated characters whenever there is latex involved. For instance, here is one such tweet ...
2
votes
2answers
72 views

Labeling arcs in MathJAX

Is there any capability to label arcs as we may label line segments, i.e., $\overline{AB}$? I can't seem to find anything that allows us to use the tricks I see online within MathJAX.
5
votes
0answers
127 views

“divide left by right” shown instead of \frac

I was reviewing close votes when I got the following: I clicked on the question, saw the correct version ("divide left by right" replaced by "\frac"), then clicked the "go back one page" button on ...
-1
votes
1answer
77 views

MathJax help - negative fractions [duplicate]

I just want to know how you write negative fractions because I don't seem to understand why I am not able to make a fraction negative. Is it even possible?
10
votes
1answer
100 views

Searching for mathematical expressions

I got this question a few years back in an postgrad interview and it had me stumped until the interviewer suggested the trick to it. I solved it again just now on paper and wanted to check my answer. ...
1
vote
0answers
34 views

MathJax bugged on front page (FireFox)

This question displays correctly when viewed in the /questions page: But in the question queue, the preview is messed up: My guess is that this is a result of cropping the MathJax markup halfway ...
8
votes
1answer
204 views

MathJax not working, Firefox 36.0.4

As the screenshot shows, my MathJax is not rendering and there's no word from the console (other than a bunch of probably-irrelevant CSS errors I didn't show). I restarted with add-ons disabled and ...
3
votes
0answers
72 views

Cannot delete my own comment due to latex formatting?

Sorry if this is not the proper place to ask this question, but I cannot find related information from the help pages. I wrote a comment on this post giving some extended and related data to help ...
1
vote
1answer
58 views

Align environment not working

I answered someone's question, and wanted to use the align environment. For some reason, it's not letting me. The link to the question is below. You can see in my answer that the TeX code is what ...
2
votes
0answers
74 views

Spoiler-markup broken for multilined display math?

A brief search didn't turn out a dupe, but recently I have found that the spoiler-markup >! doesn't work well with multilined MathJax, especially displaystyle: ...
2
votes
0answers
65 views

Only view MathJax in preview on button press

Could there be a selection box / button just below the editing box, and before the Markdown Preview to enable / disable the MathJax. When I was editing a question, I was finding it quite distracting ...
-14
votes
1answer
153 views

Enforce $\LaTeX$ in Every Question

The vast majority of low-quality questions I've encountered on this site do not use $\LaTeX$ formatting. Would the site be improved if questions not containing any $\LaTeX$ were simply not allowed? ...
5
votes
1answer
166 views

Strange behaviour of text following immediately long MathJax expression

I have noticed this behavior in this post. Here is an example: $|s_nt_n - st| = |s_nt_n - s_nt + s_nt -st| \le |s_nt_n - s_nt| + |s_nt - st| = |s_n|*|t_n - t| + |t|*|s_n -s|$. It behaves the same way ...
2
votes
2answers
71 views

Large vertical brackets for limits of definite integrals.

How do I make a large vertical bracket for definite integrals like this one? $|_0^t$ Is there a link to a page containing tags for all symbols? I have looked and my page search never lists one ...
2
votes
0answers
66 views
4
votes
2answers
97 views

Post with many lines of display math takes up most of the Questions page

Loading the Questions page, my computer displayed this: Notice that a single question with many lines of display math is taking up most of the window. I actually thought I had accidentally clicked ...
2
votes
0answers
38 views

Is searching a post with latex or MathJax possible?

The title of a post contains latex in Title with the help of which I wish to search for it. How is possible ? There was no luck with e.g., $y''y^3=1$ .
0
votes
0answers
23 views

Proper formatting of a question [duplicate]

How do I write the question in mathematical way. using all the symbols? I am not able to enter symbols or matrices or use any standard notation for mathematical function. How do I enter the questions ...
0
votes
0answers
73 views

\oiint symbol? How does it work? [duplicate]

How do I write the symbol for closed surface integrals? I need a contour double integral. $$ \oiint $$ It doesn't seem to work... only for singles: $$ \oint $$
2
votes
1answer
73 views

Learn math notation for this site [duplicate]

What is the name of the language used to display math on this site, and how do I learn it? Is there a post with the basics? I find myself going to the page source to see how others have typed it. Or ...
4
votes
1answer
111 views

Why do some titles with MathJax go to a new line?

When I look at my answers on my profile page here, some of the titles with MathJax do not appear in a single line despite the fact that there is sufficient space. Some examples are Does anyone know ...
0
votes
0answers
63 views

What is wrong with the following LaTeX code? [duplicate]

This could maybe be better for the $\LaTeX$.SE. The following $\LaTeX$ does not work: $\left(\left(\frac{a_1}{a_{r+1}}\right)^2+\cdots+\left(\frac{a_r}{a_{r+1}}\right‌​)^2\right)$
2
votes
1answer
86 views

How can I text in between “dollar signs” on MSE.

Suppose I have to write $\sum a_g$ such that $g \in G$ then can I start with "dollar sign" and then write whole thing and end "dollar sign" in last without italicising or any effect on my text "such ...
3
votes
0answers
106 views

Why use oldstyle numbers? It's inconsistent with MathJax [duplicate]

Writing numbers in the main text produces oldstyle numbers: 0123456789, while typing the same numbers in "math mode" produces modern style numbers: $0123456789$. While I'm a big fan of oldstyle ...