Plurimath

`vmatrix` and `Vmatrix` (unary)

vmatrix

LaTeX

\begin{vmatrix}x \\ y \\ z\end{vmatrix}

UnicodeMath

⒱(x&y&z)

Vmatrix

LaTeX

\begin{Vmatrix}x \\ y \\ z\end{Vmatrix}

UnicodeMath

⒩(x&y&z)
Note
In other conversions, the generated output will resemble the content in the Table class