Using Matlab 7) Plot the magnitude and angle of the transfer function H(a)- for + jo -5 s as 5 where j = -1 . Label the axes. See the help files for the MATLAB commands abs, angle, linspace, and the element-by-element divide function"./". 11) Write a script file that adds the following Fourier Series for values ofk -1,3, 5, 101: f(x)--1-sin(2k1000t). Plot the result for-1 ms