Linear Algebra Examples

$[\begin{array}{c} 1 & - 1 & 1 & 3 \\ 1 & 0 & 3 & 6 \\ 0 & 1 & - 2 & - 1 \end{array}]$

Step 1

Transpose the matrix by switching its rows to columns.

$[\begin{array}{c} 1 & 1 & 0 \\ - 1 & 0 & 1 \\ 1 & 3 & - 2 \\ 3 & 6 & - 1 \end{array}]$