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How do I typeset harpoon arrows that look like this in LaTeX?

I've tried the harpoon package's \overrightharpoon feature, but its arrowhead is too big/prominent... I'm hoping for something that looks more normal, like in the screenshot above.

How do I do this?

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marked as duplicate by Hendrik Vogt, lockstep, zeroth, Martin Schröder, Thorsten Feb 14 '13 at 11:58

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
You have asked here 13 questions before. Do you know what MWE is? –  yo' Feb 14 '13 at 9:31

1 Answer 1

You could use \rightharpoonup and \overset (which needs the amsmath package). Because \overset{\rightharpoonup} is quite long, I would define a newcommand, like so:

\newcommand{\harpoon}{\overset{\rightharpoonup}}

Only the space above seems a little bit unpleasant. But it works just fine.

Code

\documentclass{article}
\usepackage{amsmath}
\newcommand{\harpoon}{\overset{\rightharpoonup}}

\begin{document}
\[
\Delta \overset{\rightharpoonup} L = 
    \harpoon L_2 - \harpoon L_1 = \harpoon 0 
\]
\end{document}

Result

image

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Yeah, the space above is definitely unpleasant, so I won't be using it. +1 for the answer though. –  Mehrdad Feb 14 '13 at 10:27

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