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I am trying to write bar symbol with some alphabets inside \begin{equation} \end{equation} like this,

\begin{equation}

H \bar{k} 

\end{equation}

I have more than one alphabet to give bar. I've showed only one though.

It shows a lot of error as it is in out of math mode. How do I give bar in this equation mode?

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By alphabet do you mean a single letter? And Welcome to TeX.SE. –  percusse Nov 19 '12 at 14:09
3  
Welcome to TeX.SX! Don't leave blank lines in a equation environment! –  egreg Nov 19 '12 at 14:10
1  
I think you are looking for \={k} –  David Carlisle Nov 19 '12 at 14:22
1  
thanx! removed blank lines & that worked like a charm!!! anyway thanx again guys, though i am new to latex but i look forward to contribute to the community.. –  Protik Nov 19 '12 at 14:24

1 Answer 1

The command \= is the text mode equivalent of \bar.

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