7

I need a way of encoding the geometry line symbol. $\overline{AB}$ gives me the line segment symbol and $\overrightarrow{AB}$ gives me the ray symbol, I need a way to get a bar over the letters that has arrows on both ends. $\overrightleftarrow{AB}$ does not work.

Thanks!

  • You can use tex.stackexchange.com/q/14/17423 with \overset to produce what you want. Something like \newcommand\Line[1]{\overset{\leftrightarrow}{#1}}, perhaps (untested) (By the way.... Welcome to TeX.SX! You can have a look at our starter guide to familiarize yourself further with our format.( – Sean Allred Sep 26 '14 at 16:56
  • 2
    take a look at Partial derivative with rightleftarrow on top of it. (if it is what you want, this question is a duplicate.) – barbara beeton Sep 26 '14 at 17:01
  • Freakin' called it. :) Though, looking at the output, such lines are usually longer in geometry (at least with the professor I studied under). There's definitely a question about lengthening that line, though I can't put my finger on it. A combination of that link and the question I'm thinking of would cover this Q. – Sean Allred Sep 26 '14 at 17:08
  • Almost found something that works: \newcommand{\Line[1]}{\xleftrightarrow[\displaystyle{#1}]{}} The problem is that the line is justified with the text, not the letters. Both the suggestions with \overset don't make the line long enough. – GeometryTeacher Sep 26 '14 at 18:00
9

Use $\overleftrightarrow{AB}$ with the mathtools or amsmath packages.

-1

You can use

\overlinesegment{...}

from the the MnSymbol package.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.