Complexity Quantification for Overhead Transmission Line Emergency Repair Scheme via a Graph Entropy Method Improved with Petri Net and AHP Weighting Method

Table 2

Classification on the first- and the second-order entropy of process control flowchart.

Category	First-order entropy of			Second-order entropy of
	Node	Input	Output	Node	Neighbor node
1	{A1}	0	1	{A2, A3, A4}	{T1, T2}
2	{A10}	1	0	{A1}	T1
3	{A2 to A9, T3 to T8}	1	1	{T1}	{A1, A2, A3, A4}
4	{B1}	2	2
5	{T1}	1	3	{T8}	{A9, A10}
6	{T2}	3	1	{A10}	{T8}