Matricesbmatrix

bmatrixEnvironment

Used for bracketed matrices in linear algebra and array notation

\begin{bmatrix} a & b \\ c & d \end{bmatrix}
Topic
Matrices
Available in
ams
Allowed mode
math
Body mode
math
Frequency
0.51% of corpus formulasrank 12 of 31
Commonality
high
Tags
matrix, nestable
Renderer support
PackageMathJaxKaTeXXeTeX
amsMathJax: FullKaTeX: FullXeTeX: Full
About the test scope

Syntax#

\begin{bmatrix}…math body\end{bmatrix}

Takes no arguments. Reading argspecs

Common tasks#

How to write a matrix in square brackets#

\begin{bmatrix} a & b \\ c & d \end{bmatrix}

How to write a column vector in brackets#

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

How to write a 1-by-n row in brackets#

\begin{bmatrix} 1 & 0 & 0 \end{bmatrix}

In TeXForm#

TeXForm reads the environment body in math mode.

Rewrite the fenced bmatrix environment to explicit brackets around a core matrix environment.

\begin{bmatrix} #1 \end{bmatrix} \left[\begin{matrix} #1 \end{matrix}\right]

See also#

Test cases#

ams
InputCaseMathJaxKaTeXXeTeX
\begin{bmatrix} a & b \\\\ c & d \end{bmatrix}Positive · baselinePassPassPass
All 18 in Matrices