Answers for "writing matrix in latex"

matrix latex

begin{bmatrix}
1 & 2 & 3 \
a & b & c \
a & b & c \
end{bmatrix}

latex pmatrix

Trying to typeset an inline matrix here
$begin{pmatrix}
  a & b\ 
  c & d
end{pmatrix}$ 
but it looks too big, so let's try 
$big(begin{smallmatrix}
  a & b\
  c & d
end{smallmatrix}big)$ 
instead.