Question: Write a program in MATLAB that will do the following: a. Allow a value of gain, K, to be entered from the keyboard b. Display

Write a program in MATLAB that will do the following:

a. Allow a value of gain, K, to be entered from the keyboard

b. Display the Bode plots of a system for the entered value of K

c. Calculate and display the gain and phase margin for the entered value of K 

Test your program on a unity feedback system with G(s) = K/[s(s + 3)(s + 12)].

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