벡터 공간

$\left( \begin{array}{rrrr} a_{1} \\ a_{2} \\ ... \\ a_{n} \end{array} \right)$

$\left( \begin{array}{rrrr} a_{11} & a_{12} & ... & a_{1n} \\ a_{21} & a_{22} & ... & a_{2n} \\ ... & ... & ... & ... \\ a_{m1} & a_{m2} & ... & a_{mn} \end{array} \right)$