$1.$ Define

x$1=$

$$

$$

$$

$2$

$8$

$4$

$$

$$

$$ and x$2=$

$$

$$

$$

$9$

$1$

$5$

$$

$$

$$

$$ Write Matlab code to calculate the following. Turn in your code listing and the Matlab

results. You may cut and paste if you need to$.$

$$ Also perform the calculations yourself on paper showing your work as you go$.$

$($a$)$ The matrix product xT

$1$ x$2$

$($b$)$ The matrix product x$1$xT

$2$

$($c$)$ The column array, each of whose elements is the product of the corresponding elements

of x$1$ and x$2$