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How can I write a partial derivative with an arrow on top of it (pointing to the left and right)? For instance:

enter image description here

I've tried to Google it, but couldn't find anything (probably because I'm not sure what keywords to use). Any help is much appreciated.

0

1 Answer 1

17

One option using \overset:

\documentclass{article}
\usepackage{amsmath}
\usepackage{amssymb}

\begin{document}

\[
\partial_0\quad \overset{\leftrightarrow}{\partial_0}
\]

\end{document}

enter image description here

3
  • Ahhh perfect! Thank you. I will accept this answer (but for some reason I need to wait for 3 minutes before I can do that?).
    – Hunter
    Commented Jan 19, 2014 at 0:25
  • @Hunter You're not allowed to accept an answer "too soon", so that more people can contribute before you "select". It quite makes sense, just the error/hint messages that come with it are not perfect ;)
    – yo'
    Commented Jan 19, 2014 at 0:47
  • @tohecz Thanks for the clarification; that does make sense.
    – Hunter
    Commented Jan 19, 2014 at 0:48

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