xper,xns,xew,xco
0.100000001 , 0.601797819 , 0.537029743 , 892.650024
0.200000003 , 0.952395678 , 0.831786096 , 1031.25000
0.300000012 , 1.24530041 , 0.985079229 , 1031.25000
0.500000000 , 1.28388929 , 1.30163932 , 1031.25000
1.00000000 , 0.502184570 , 0.632060409 , 562.650024
2.00000000 , 0.122083597 , 0.110048003 , 281.325012
3.00000000 , 3.33168693E-02 , 3.56811471E-02 , 187.688004