1. Consider the FIR system function H(z) = (1 - 3z-1 + z-2)5.
Determine and draw the following structures:
(a) Direct form structure,
(b) Cascade of first-order sections,
(c) Cascade of second-order sections,
(d) Cascade of fifth-order sections, each with different coefficients,
(e) Linear-phase form,
(f) Cascade of five linear-phase forms.
2. Modify the fir2latc function to use only one g array.