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When I used this code:

$ {\bar{a}_x}_y $

MiKtex said:

Double subscript $ {\bar{a}_x}_

How to fix?

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marked as duplicate by Qrrbrbirlbel, Werner, Mico, Thorsten, Marco Daniel Apr 10 '13 at 5:39

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1 Answer 1

up vote 5 down vote accepted

Use either of the following options:

$\bar{a}{{}_x}_y$
$\bar{a}_{xy}$
${\bar{a}}_{x_y}$

Here's the difference in output:

enter image description here

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Very thanks!!!!!! –  Harrix Apr 10 '13 at 4:30

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