) Find the () using sims for () = 6 5 + 3 3 2 2 + 2 and pretty.

a. Plot the analytical vs numerical solution for () .

i. With x from - 10 to +10 with steps of 1

ii. With x from - 10 to +10 with steps of 0.01.

b. Plot the gradient of ()

c. Comment the difference between analytical and numerical solution

please provide matlab code with comments.