2328.sagews

M1=matrix([[1,2],[3,4]])
print(latex(M1))
html('$%s$' %latex(M1))
M2=matrix([[1,2,3],[1,2,3],[1,2,3]])
print(latex(M2))
html('$%s$' %latex(M2))

\left(\begin{array}{rr} 1 & 2 \\ 3 & 4 \end{array}\right)

\left($$\begin{array}{rr} 1 & 2 \\ 3 & 4 \end{array}$$\right)

\left(\begin{array}{rrr} 1 & 2 & 3 \\ 1 & 2 & 3 \\ 1 & 2 & 3 \end{array}\right)

\left($$\begin{array}{rrr} 1 & 2 & 3 \\ 1 & 2 & 3 \\ 1 & 2 & 3 \end{array}$$\right)