Signal flow graph VS Block diagram Ex3-13.Obtain the closed-loop transfer function C(s)/R(s) He G2 G H GG2Gs 1-GG2 H1+G2G3 H2 +GG2Gs Convert to the Signal flow graphSignal flow graph VS Block diagram Ex3-13. Obtain the closed-loop transfer function C(s)/R(s) Convert to the Signal flow graph ?