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Possible Duplicate:
Separate long math text under sum symbol into different lines?

I want to write expression \sum_{i=0}^n i with i\neq 4 under the summation symbol. How can I write this?

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marked as duplicate by Werner, Peter Grill, lockstep, Thorsten, zeroth Nov 5 '12 at 7:32

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.

@Werner: Yep that has a better answer as well. – Peter Grill Nov 5 '12 at 6:34
up vote 55 down vote accepted

You can use \substack:

If this is desired in inline math you can use \limits to obtain the limits underneath the summation symbol:

However this is not recommended as it may not look good depending on how much adjacent text there is as it will affect interline spacing.


  \sum_{\substack{i=0 \\ i\neq 4}}^n i

In inline math: $\sum_{\substack{i=0 \\ i\neq 4}}^n i$, or
$\sum\limits_{\substack{i=0 \\ i\neq 4}}^n i$
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If the \substack content is too wide, you can use \mathclap, as detailed in This answer – Frédéric Grosshans Nov 27 '14 at 16:44

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