$($d$)$ Write a piece of code that uses a nested for loop and an if statement to display the array elements whose value is less than $5.$

$E=\left[\begin{array}{ccc}2& 3& 7\\ 1& 3& 9\\ 10& 8& 3\end{array}\right]$

$($e$)$ Write down the command to delete row $2$ from the matrix $F$ below:

$F=\left[\begin{array}{ccc}1& 2& 3\\ 6& 5& 4\\ 9& 7& 8\end{array}\right]$

Use matlab please.