I want to define a function so that even numbers will go somewhere and odd numbers will go somewhere else. How would I get LaTeX to do the curly bracket needed, one that has two rows?

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- Oct 9th 2009, 12:59 AMSwlabrBig curly bracket
I want to define a function so that even numbers will go somewhere and odd numbers will go somewhere else. How would I get LaTeX to do the curly bracket needed, one that has two rows?

- Oct 9th 2009, 03:23 AMTaluivren
Hi,

**f(n) = \begin{cases} n, & \mbox{if } n\mbox{ is even} \\ n+1, & \mbox{if } n\mbox{ is odd} \end{cases}**produces

$\displaystyle f(n) = \begin{cases} n, & \mbox{if } n\mbox{ is even} \\ n+1, & \mbox{if } n\mbox{ is odd} \end{cases}$