mathjax / mathjax/MathJax

\Vvert / triple norm

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#3,509 4 comments 0 reactions 1 assignee View on GitHub

@dpvc is already working on this.

Since Feb 26, 2026.

Code Example Feature Request v4
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JavaScript
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Description

Hello :)

Is your feature request related to a problem? Please describe.
I need to type a triple norm, like this:

Image

But I didn’t find the symbol in MathJax. I tried \vvvert, \vVert, \rVvert, …

Describe the solution you'd like
A macro such as \rVvert (and \lVvert) would be really appreciated, and would be consistent with the already-existing \rVert and \lVert.

Describe alternatives you've considered
My current workaround is |\hspace{-0.1em}|\hspace{-0.1em}|.

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