Template:Norm

&#124;&#124;&#124;&#124; {{documentation|content= This template may be used to enclose text between two pairs of vertical bars ({{unichar|007C|vertical line}}), such as to denote the norm. It adds padding (of width 0.1 em) on each side inside the bars.

Usage
When $\|x\| < 7$, the function is positive. When $\|x\| < 7$, the function is positive.

The notation $$ means norm. The notation $$ means norm.

Alternatives
This template is equivalent to enclosing the text between two pairs of templates (plus padding of width similar to hair spaces around the argument) When $$, the function is positive.