array - LaTeX array environment

\begin{array}{cc} a & b \end{array}

Renderer support

Package	MathJax	KaTeX	XeTeX
`base`	MathJax: Full	KaTeX: Partial	XeTeX: Partial

Syntax#

\begin{array}o[a]optional math contentm:C{cc}column template…math body\end{array}

Argspec o m:C — one optional and one mandatory argument. Reading argspecs

\begin{array}{cc} a & b \\ c & d \end{array}

\begin{array}{c|c} a & b \\ \hline c & d \end{array}

The preamble uses the same l/c/r letters as tabular.

\begin{array}{rcr} 12 & + & 3 \\ 4 & + & 56 \end{array}

\begin{array}[t]{cc} a & b \end{array}

TeXForm reads the environment body in math mode.

`base`
Input	Case	MathJax	KaTeX	XeTeX
`\begin{array}{cc} a & b \end{array}`	Positive · baseline	Pass	Pass	Pass
`\begin{array}[a]{cc} a & b \end{array}`	Positive · vary:o[0]	Pass	Fail	Pass
`\begin{array}cc a & b \end{array}`	Positive · bare[1]	Pass	Pass	Fail