Instructions

Follow the instructions below with the specific line number for each part to write your code

Step $1(10$ points$)$: Create the entire matrix by inputting all the elements to demonstrate you understand the basic structure. $(1$ line$)$

Step $2(15$ points$)$: Use the diag command to create the matrix. Use the input arguement $k$ to add the $k$ th diagonal to complete the loop. $(3$ lines$)$