Answer
See work step by step
Work Step by Step
$6 \times 4$ random matrix command
\[
A=r \operatorname{and}(6,4)
\]
Matrix A lies between 0 and 1
$A=\left[\begin{array}{cccc}0.81 & 0.27 & 0.95 & 0.79 \\ 0.90 & 0.54 & 0.48 & 0.39 \\ 0.78 & 0.77 & 0.34 & 0.45 \\ 0.67 & 0.34 & 0.83 & 0.12 \\ 0.23 & 0.05 & 0.01 & 0.87 \\ 0.67 & 0.56 & 0.24 & 0.76\end{array}\right]$
Matrix with random integers between - 9.5 and 9.5
\[
\mathrm{A}=\text { round }\left(19^{\star}(\mathrm{rand}(3,3)-0.5)\right)
\]
Matrix
\[
A=\left[\begin{array}{ccc}
1 & -3 & -9 \\
-8 & 6 & -6 \\
-5 & -9 & 3
\end{array}\right]
\]