\| - Tex Command


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NAME

\| - double pipe character; double vertical bar; norm.

SYNOPSIS

{ \| }

DESCRIPTION

\| is used as double pipe character; double vertical bar; norm;It acts as non-stretchy when used alone; stretchy when used with \left or \right.

EXAMPLES

  1. \|x\| 
    $ \|x\| $
  2. \|\frac ab\| 
    $ \|\frac ab\| $
  3. \left\|\frac ab\right\| 
    $ \left\|\frac ab\right\| $
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