*Vertices 4
1 "应用数学学报" 0.0 0.0 0.0 x_fact 6.756757 y_fact 22.072072
2 "数学学报" 0.0 0.0 0.0 x_fact 3.153153 y_fact 25.225225
3 "计算数学" 0.0 0.0 0.0 x_fact 2.702703 y_fact 13.963964
4 "工程数学学报" 0.0 0.0 0.0 x_fact 28.378378 y_fact 38.738739
*Matrix 
0.000000 0.412225 0.262653 0.684022 
0.412225 0.000000 0.000000 0.439155 
0.262653 0.000000 0.000000 0.668414 
0.684022 0.439155 0.668414 0.000000