Problem $2$: Using Matlab, Clearly explain the outputs $($y$)$ of the following Matlab

commands:

X$=[1,4,6,7,8,2,3,6,8,1,12,15,16,58$;

$1,4,6,7,1,4,6,7,23,26,27,65,12,13]$;

$1.$ y$=$X$($end$)$

$2.$ y$=$sort$($X$)$

$3.$ y$=$X$($:$,$end$)$

$4.$ y$=($X$(2)-4)^2+44$

$5.$ y$=$X$($:$,2)-5$;

$6.$ y$=$X$(4,$:$).^2$

$7.$ y$=$sum$($X$>=13$ & X$<=19)$

$8.$ y$=$X$($X$(9))$