Template:Norm
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/50px-Test_Template_Info-Icon_-_Version_%282%29.svg.png)
This template may be used to enclose text between a pair of double vertical bars (U+2016 ‖ DOUBLE VERTICAL LINE), such as to denote the norm. It adds padding (of width 0.1 em) on each side inside the bars.
Usage
When {{math|{{norm|''x''}} < 7}}, the function is positive.
When ‖x‖ < 7, the function is positive.
The notation {{math|{{norm}}}} means ''norm''.
The notation ‖ · ‖ means norm.