engineering recuitment GATE EE 2023-24 Test Series Control Systems Signal Flow Graph and Block Diagram
For the SFG shown below, the graph determinant Δ is -
1
1 - bc - fg - bcfg + cigj
2
1 - bc - fg - cigj + bcfg
3
1 + bc + fg + cigj - bcfg
4
1 + bc + fg + bcfg - cigj