| - Tex Command

NAME

| - pipe character; vertical bar; absolute value.

SYNOPSIS

{ | }

DESCRIPTION

| is used as pipe character; vertical bar; absolute value. 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| $

4. \{x | x\in\Bbb Z\} 

   $ \{x | x\in\Bbb Z\} $

5. \{x\,|\,x\in\Bbb Z\} 

   $ \{x\,|\,x\in\Bbb Z\} $