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ǁ [U+01C1 LATIN LETTER LATERAL CLICK],
‖ [U+2016 DOUBLE VERTICAL LINE],
∥ [U+2225 PARALLEL TO], and ⏸ [U+23F8 DOUBLE VERTICAL BAR]
‖ ‖
- (mathematics) Used on either side of an object to denote the norm of that object.
![{\displaystyle ||(4,3)||=5}](https://wikimedia.org/api/rest_v1/media/math/render/svg/703916d544235fc302ffffabcb5593869bf55ca9)
- 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 [...]
- (linguistics) delimiter for morphophonemic transcription