High-Order Degree and Combined Degree in Complex Networks

Table 1

The 2-order out-/in-degree of Figure 2.

	Name of each node	1	2	3	4	5	6	7	8	9	10	Mean
Figure 2(a)	Degree	1	1	1	4	2	5	1	1	1	1	1.9
(Undirected network)	2-order degree	4	4	4	5	9	6	5	5	5	5	5.2
	Out-degree	2	2	1	1	2	2	1	1	1	1	1.4
Figure 2(b)	In-degree	0	1	2	2	1	2	1	2	1	2	1.8
(Directed network)	2-order out-degree	3	3	1	2	3	2	1	1	1	1	1.4
	2-order in-degree	0	0	2	1	1	3	2	3	2	4	1.8