*Vertices 4
1 "同济大学学报" 0.0 0.0 0.0 x_fact 5.750799 y_fact 23.961661
2 "土木工程学报" 0.0 0.0 0.0 x_fact 14.376997 y_fact 25.559105
3 "岩土工程学报" 0.0 0.0 0.0 x_fact 4.792332 y_fact 41.853035
4 "桥梁建设" 0.0 0.0 0.0 x_fact 4.472843 y_fact 8.626198
*Matrix 
0.000000 0.385901 0.000000 0.439302 
0.385901 0.000000 0.710410 0.545202 
0.000000 0.710410 0.000000 0.301798 
0.439302 0.545202 0.301798 0.000000