*Vertices 4
1 "数学年刊A" 0.0 0.0 0.0 x_fact 17.105263 y_fact 27.631579
2 "数学学报" 0.0 0.0 0.0 x_fact 40.789474 y_fact 40.789474
3 "数学杂志" 0.0 0.0 0.0 x_fact 17.763158 y_fact 21.710526
4 "ActaMathematicaSinica" 0.0 0.0 0.0 x_fact 0.657895 y_fact 9.868421
*Matrix 
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0.502093 0.000000 0.426269 0.997206 
0.889503 0.426269 0.000000 0.429769 
0.536984 0.997206 0.429769 0.000000