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Posted By

deepsoul on 08/07/09


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unit matrix


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Unit matrix sign

 / Published in: LaTeX
 

A "1" with a double vertical stroke, sometimes used to denote a unit matrix.

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  1. \def\dblone{\hbox{$1\hskip -1.2pt\vrule depth 0pt height 1.6ex width 0.7pt
  2.                   \vrule depth 0pt height 0.3pt width 0.12em$}}
  3.  
  4. % usage:
  5. \dblone

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