For that matter i don t think i ve ever seen it used to mean anything else here s some stuff on norms from wikipedia.
Double vertical line symbol math.
Double vertical bar notation.
You can also check the degree symbol.
The above do not work as the middle bar are not of the same vertical height but its closest to what i hope to achieved.
The double bar symbol is used to denote certain kinds of norms in mathematics e g or it is also used to denote parallel lines as in and in an older notation for the covariant derivative in this work the notation or is reserved for matrix and function norms respectively.
A mathematical concept is independent of the symbol chosen to represent it.
For many of the symbols below the symbol is usually synonymous with its corresponding concept but in some situations a different convention may be used.
Sheffer stroke in logic verti bar vbar stick vertical line vertical slash bar pike or pipe and several variants on these names it is occasionally considered an allograph of broken bar see below.
In linear algebra functional analysis and related areas of mat.
The two bars are too near the symbols making for ambiguity.
The vertical bar is a glyph with various uses in mathematics computing and typography it has many names often related to particular meanings.
In this case it represents the norm of the vector inside.
You can copy and paste line symbols from the below list or use alt codes to insert line text symbols in word excel and powerpoint.
Also see mathematical symbols.
Hot network questions when if ever was the c language int size altered from the host machine word register size into a literal 32 bit size.
Get all straight vertical and horizontal line symbols and alt code for the line symbol.
The vertical line also called the vertical slash or upright slash is used in mathematical notation in place of the expression such that or it is true that this symbol is commonly encountered in statements involving logic and sets.
What does double vertical bars notation mean in probability.