matrix_algebra
\begin{eqnarray*} A & = & \begin{bmatrix} 4 & 5 & 12 \\ 3 & 2 & 8 \\ \end{bmatrix} \\ A_{2,3} & = & 8 \\ \end{eqnarray*}
2 x 3 matrix
2 (rows) x 3 (columns) matrix
rows x columns matrix
\begin{eqnarray*} B & = & \begin{bmatrix} 4 & 5 & 12 & 2\\ 3 & 2 & 8 & 10 \\ 2 & 2 & 20 & 8 \\ \end{bmatrix} \\ B_{1,4} & = & 2 \\ B_{3,3} & = & 20 \\ \end{eqnarray*}
matrix_algebra.txt · Last modified: by hkimscil