[texhax] floor and ceiling

P. R. Stanley prstanley at ntlworld.com
Wed Mar 4 23:57:59 CET 2009

>\lfloor is the left side of the the floor bracket, and \rfloor the 
>right. \lfloor looks kind of like a capital L, while \rfloor is the 
>mirror image. If the innards of the bracket is tall (like a \frac, 
>for example) using $\left\lfloor \frac{n}{2} \right\rfloor$ would be 
>best. \ceil is similar.
>Great! Thanks. What do lceil and rceil look like?

>On Wed, Mar 4, 2009 at 2:29 PM, P. R. Stanley 
><<mailto:prstanley at ntlworld.com>prstanley at ntlworld.com> wrote:
>Hi folks
>what do the letters l and r mean in \lfloor \lceil and \rfloor and \rceil?
>would this
>        $t ( \lfloor n/2 rfloor )$
>        or this
>                $t (\left \lfloor n/2 rfloor \right)$
>                be more appropriate?
>Please feel free to make Any other changes to the code frag.
>many thanks
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