A$.$ Select and read Introduction $($or What is MATLAB$)$

B$.$ Select Matrices and Arrays, read and practice every single function, then solve:

For Matrices and Magic Squares consider $,$ then read and do:

$1.$ Enter matrices A and B$.$ Statement:

$2.$ Find sum$($A$)$ Result:

$3.$ Find the transpose of A Result:

$4.$ Find diag$($A$)$ Result:

$5.$ Find sum$($diag$($A$))$ Result:

$6.$ Find A$(1,2)+$A$(2,1)+$A$(3,3)$ Result:

$7.$ Use colon operator to find a row vector containing numbers between $1$ and $10$ with an increment of $0\mathrm{.}5$ Statement: