*Vertices 4
1 "应用数学学报" 0.0 0.0 0.0 x_fact 0.982615 y_fact 3.552532
2 "数学学报" 0.0 0.0 0.0 x_fact 0.529101 y_fact 4.232804
3 "生物数学学报" 0.0 0.0 0.0 x_fact 1.587302 y_fact 4.988662
4 "应用生态学报" 0.0 0.0 0.0 x_fact 0.377929 y_fact 87.226002
*Matrix 
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0.413526 0.000000 0.000000 0.000000 
0.281606 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000