MATLAB

Create a $3$ x $3$ matrix of zeros called x$1$

$2.$ Create a $3$ x $4$ matrix of zeros called x$2$

$3.$ Create a $3$ x $3$ matrix of ones called x$3$

$4.$ Create a $5$ x $3$ matrix of ones called x$4$

$5.$ Create a $4$ x $6$ matrix in which all the elements have a value of pi$,$ called x$5$

$6.$ Use the diag function to create a matrix whose diagonal has values of $1,2,3,$ called x$6$

$7.$ Create a $10$ x $10$ magic matrix called x$7$

$8.$ Extract the diagonal from x$7$ and call it x$8$

$9.$ Extract the diagonal that runs from the lower left to the upper right from x$7,$ and call it x$9$