*Vertices 3
1 "应用数学学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 17.258883
2 "运筹学学报" 0.0 0.0 0.0 x_fact 10.152284 y_fact 13.197970
3 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 0.507614 y_fact 69.543147
*Matrix 
0.000000 0.815693 0.000000 
0.815693 0.000000 0.445205 
0.000000 0.445205 0.000000