[OS X TeX] Multiline math mystery

[Frank STENGEL]

Le 8 sept. 06 à 05:53, George Gratzer a écrit :

> Checking the error messages ifor my new LaTeX book,  I typeset
>
> \[
>    x_{1} + y_{1} + \left( \sum_{i < 5} \\ \binom{5}{i} + a^{2}  
> \right)^{2}
> \]
>
> This is wrong; you cannot separate \left( and \left) with \\.

Yes and no : \\ has no effect in a displayed equation. You get the  
same thing with or without the \\. The \\ command has an effect only  
when in paragraph mode or inside a table like environment (tabular,  
array, matrix, align etc).

-- 
Frank STENGEL (fstengel<at>mac.com)

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