‖ ‖

See also: | |, ǁ [U+01C1 LATIN LETTER LATERAL CLICK], ‖ [U+2016 DOUBLE VERTICAL LINE], ∥ [U+2225 PARALLEL TO], and ⏸ [U+23F8 DOUBLE VERTICAL BAR]

‖ U+2016, ‖ DOUBLE VERTICAL LINE ← ― [U+2015] General Punctuation ‗ → [U+2017]

Translingual

Symbol

‖ ‖

1. (mathematics) Used on either side of an object to denote the norm of that object.

   $||(4,3)||=5$

   • 2002, S. Long et al., A Meshless Local Petrov-Galerkin Method for Solving the Bending Problem of a Thin Plate, Tech Science Press

     For the purpose of error estimation and convergence studies, the deflection and energy norm, ||w|| and ||e||, are calculated [...]

2. (linguistics) delimiter for morphophonemic transcription

Synonyms

• (linguistics): ⫽, | |, { }

Hyponyms

• (mathematics: norm): |