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Mauro
31.08.2009 - 16:13

indicator function

How does one write the indicator function in TeX? I tried \mathbb{1}
but it returns gibberish.

Lars Madsen
31.08.2009 - 16:18
Mauro wrote:
How does one write the indicator function in TeX? I tried \mathbb{1}
but it returns gibberish.

a lot of people just use 1 or perpaps \bm{1} (bold 1, using the bm package)

Alternatively the dsfont (might be another name) package can give you a
doublestroke 1.

--

/daleif (remove RTFSIGNATURE from email address)

LaTeX FAQ: http://www.tex.ac.uk/faq
LaTeX book: http://www.imf.au.dk/system/latex/bog/ (in Danish)
Remember to post minimal examples, see URL below
http://www.tex.ac.uk/cgi-bin/texfaq2html?label=minxampl
http://www.minimalbeispiel.de/mini-en.html

Mauro
01.09.2009 - 11:43
If anyone else needs it, I've found the answer: \bfo.


Lars Madsen
01.09.2009 - 11:48
Mauro wrote:
If anyone else needs it, I've found the answer: \bfo.

from where? never heard of that command

--

/daleif (remove RTFSIGNATURE from email address)

LaTeX FAQ: http://www.tex.ac.uk/faq
LaTeX book: http://www.imf.au.dk/system/latex/bog/ (in Danish)
Remember to post minimal examples, see URL below
http://www.tex.ac.uk/cgi-bin/texfaq2html?label=minxampl
http://www.minimalbeispiel.de/mini-en.html

Mauro
01.09.2009 - 15:54
On 1 Sep, 10:48, Lars Madsen <dal...@RTFSIGNATUREimf.au.dk> wrote:
Mauro wrote:
> If anyone else needs it, I've found the answer: \bfo.

from where? never heard of that command

Sorry, made a mistake - \mathbbm{1}


Lars Madsen
01.09.2009 - 16:00
Mauro wrote:
On 1 Sep, 10:48, Lars Madsen <dal...@RTFSIGNATUREimf.au.dk> wrote:
Mauro wrote:
If anyone else needs it, I've found the answer: \bfo.
from where? never heard of that command

Sorry, made a mistake - \mathbbm{1}

yes, besides the fact the the bbm font (AFAIR) is type 3 (bitmap fonts)

--

/daleif (remove RTFSIGNATURE from email address)

LaTeX FAQ: http://www.tex.ac.uk/faq
LaTeX book: http://www.imf.au.dk/system/latex/bog/ (in Danish)
Remember to post minimal examples, see URL below
http://www.tex.ac.uk/cgi-bin/texfaq2html?label=minxampl
http://www.minimalbeispiel.de/mini-en.html

Scott Pakin
01.09.2009 - 18:47
Mauro wrote:
On 1 Sep, 10:48, Lars Madsen <dal...@RTFSIGNATUREimf.au.dk> wrote:
Mauro wrote:
If anyone else needs it, I've found the answer: \bfo.
from where? never heard of that command

Sorry, made a mistake - \mathbbm{1}

The Math Alphabets table in the Comprehensive LaTeX Symbol List
(http://www.ctan.org/tex-archive/info/symbols/comprehensive/) presents
a variety of blackboard-bold "1" symbols including \mathbbm{1} -- see
which ones you like.

-- Scott



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