Which of the following equations holds true for the following signal flow graph?
1
x2 = A21x1 + A23x3
2
x2 = A21x1 + A22x2
3
x4 = A41x2 + A43x3
4
x3 = A31x1 + A23x2 + A33x3
5
Question Not Attempted
Which of the following equations holds true for the following signal flow graph?