Linked Questions

3225
votes
38answers
1.1m views

MathJax basic tutorial and quick reference

(Deutsch: MathJax: LaTeX Basic Tutorial und Referenz) To see how any formula was written in any question or answer, including this one, right-click on the expression it and choose "Show Math As &...
2
votes
2answers
496 views

\varnothing does not work

I created a question with \varnothing to denote empty set. In the preview it played nice, but on the question page \varnothing was replaced with \emptyset for some mysterious reason. Why \varnothing ...
4
votes
3answers
136 views

Problem with unpaired [] in math mode in comments [duplicate]

The following text is typeset correctly in a post, but it seems to be broken when posted in a comment. (Markdown somehow interprets left [ as beginning of a hyperlink). ...
16
votes
3answers
1k views

Striking out equations

I wanted to strike out a part of an answer which I wrote earlier here. I tried using <s> </s>. This helps in striking out the text but the last two ...
56
votes
5answers
3k views

The scope of \newcommand is the entire page

LaTeX on this site supports \newcommand and \renewcommand. This is very nice, but I noticed that the scope of these definitions ...
9
votes
1answer
1k views

MathJax bug upon page refresh

When entering this answer, everything looks good. Editing and saving also work fine. However, when I refresh the page I get $\color{red}{\textit{[Math Processing Error]}}$ for the line tagged $(3)$. ...
4
votes
2answers
394 views

Spurious space within number

In this comment, the penultimate number in the list, $59930$, is displayed (in Firefox $11.0$) with a spurious space between the two $9$s. I made sure I hadn't inadvertently pasted any invisible ...
2
votes
1answer
97 views

Is there a way to practice Tex in Main without publishing my wastebasket?

I would like to learn the mathematics scripting protocol (Tex, or whatever). In support of that I would like to be able to do some practice with it in the exact environment it will be used, but I don’...
9
votes
1answer
864 views

Are picture environments not allowed in MathJax?

In a WordPress blog post of mine I used the following LaTeX code: ...
3
votes
2answers
238 views

Strange layout bug when line breaks at end of LaTeX

In my post here some LaTeX renders ok in the preview but incorrectly renders as "12eeeb8e-4fdb-47bf-abc4-2b56e87c5903" in the posted answer. Does anyone see what's wrong and/or how to workaround it? ...
2
votes
1answer
689 views

What is the preferred way to escape LaTeX special characters? [closed]

Suppose I want to make a matrix. Then I need to end each line with a double backslash, to signify a line break. But Markdown will translate a double back slash into a single backslash, thus confusing ...

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