Linear Algebra Examples

$[\begin{array}{c} 1 & 1 & 1 & 1900 \\ 0 & 0.01 & 0.02 & 20 \\ 0 & 0 & 3 & 2400 \end{array}]$

Step 1

Transpose the matrix by switching its rows to columns.

$[\begin{array}{c} 1 & 0 & 0 \\ 1 & 0.01 & 0 \\ 1 & 0.02 & 3 \\ 1900 & 20 & 2400 \end{array}]$