[texhax] floor and ceiling

[Robert Wilson]

\lceil is a vertical line with a right-facing horizontal line at the top
(like the right half of a T, or an F without the middle branch), and \rceil
is the mirror image, like the left half of a T, or a 7

On Wed, Mar 4, 2009 at 2:57 PM, P. R. Stanley <prstanley at ntlworld.com>wrote:

>
> >\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?
>
>
>
> >HTH,
> >Bob
> >
> >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
> >Paul
> >
> >_______________________________________________
> >TeX FAQ: <http://www.tex.ac.uk/faq>http://www.tex.ac.uk/faq
> >Mailing list archives:
> ><http://tug.org/pipermail/texhax/>http://tug.org/pipermail/texhax/
> >More links: <http://tug.org/begin.html>http://tug.org/begin.html
> >
> >Automated subscription management:
> ><http://tug.org/mailman/listinfo/texhax>
> http://tug.org/mailman/listinfo/texhax
> >Human mailing list managers: <mailto:postmaster at tug.org>
> postmaster at tug.org
> >
>
> _______________________________________________
> TeX FAQ: http://www.tex.ac.uk/faq
> Mailing list archives: http://tug.org/pipermail/texhax/
> More links: http://tug.org/begin.html
>
> Automated subscription management: http://tug.org/mailman/listinfo/texhax
> Human mailing list managers: postmaster at tug.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://tug.org/pipermail/texhax/attachments/20090304/094d2329/attachment-0001.html