Fonts & Character Sets ⇒ Identity Matrix Symbol (double ones)

[haaj86]

Hi, how to type the identity matrix symbol (the double ones). I don't mean the

Code: Select all

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\mathbb{I}
 
 
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symbol.

I can't also find it in the The Comprehensive LATEX Symbol List.

Please help!

[gmedina]

Hi,

which symbol do you want exactly? Can you please provide a link to the exact symbol you're trying to find?

[haaj86]

To be honest I usually use the big "I" to represent the indentity and most books uses this one. But I remember seeing this one:

identity.png (850 Bytes) Viewed 251051 times

I drew this with paint because I can't find a webpage that uses it.

Thank you!


Edit by localghost: No external links (see Board Rules)! Attachments go onto the forum server (where applicable).

[josephwright]

Detexify says

Code: Select all

Code, edit and compile here:

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\documentclass{article}
\usepackage{bbold}
\begin{document}
\(  \mathbb{1} \)
\end{document}
 
 
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Run LaTeX here

[haaj86]

Thanks Joseph! This is precisely what I'm looking for.