Hot answers tagged

12 votes

Left pointing vector accent

Here's an alternative solution to Matthew's, based on this answer, which I was made aware of thanks to hardmath's comment. ...
  • 10.6k
12 votes
Accepted

Left pointing vector accent

$\newcommand{\cev}[1]{\stackrel{\tiny\leftarrow}{\mathbf{#1}}}$ In general, you can put one thing on top of another using \stackrel{topthing}{bottomthing}. It's ...
12 votes

Can we stop marking any and all questions about math-jax as a duplicate of the "MathJax basic tutorial and quick reference"?

First of all, "let's make this place more like StackOverflow" is not a winning argument for me. I hope we'll avoid going full-in into the turbulent debate that could kick off, but I thought ...
4 votes

Left pointing vector accent

A standard command exists for this: \overleftarrow{PQ} for $\overleftarrow{PQ}$. In fact, \vec is defined to be a shorthand for <...
  • 32.1k
3 votes

How do I get a giant letter $\Pi$ for indexed products in MathJax?

Some options include using \limits to move the limits below/above the symbol or using \displaystyle which simply turns on ...
2 votes

Vector accent with emphasized origin

I don't think you should do this usually. But here are some possibilities. $\stackrel{\bullet\!\to}{x}$ $\stackrel{\bullet\!\to}{X}$ $\stackrel{\bullet\!\to}{xy}$ $\overrightarrow{\smash{\stackrel{\...
  • 32.1k
2 votes

Vector accent with emphasized origin

$\newcommand{vvec}[1]{\overset{\tiny\mapsto}{#1}}$ $\newcommand{longvvec}[1]{\overset{\mapsto}{#1}}$ The following answer doesn't exactly meet the specifications, but it'll do for my purposes. It is ...
  • 10.6k
1 vote

How do I prevent $\mathcal{MathJax}$ from putting excessive amounts of space around quotation marks?

A hack would be $A=\{“\mathtt{abcde}”,“\mathtt{12345}”,“\mathtt{!?$@*}”\}$ where I used the Unicode characters “ ” for the quotations.
  • 25.7k

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