xper,xns,xew,xco
0.100000001 , 0.451018393 , 0.799162507 , 892.650024
0.200000003 , 0.546493292 , 0.447318286 , 1031.25000
0.300000012 , 0.754961610 , 0.708626091 , 1031.25000
0.500000000 , 1.36967313 , 0.925799787 , 1031.25000
1.00000000 , 0.509811282 , 0.262637377 , 562.650024
2.00000000 , 0.115398496 , 0.114679627 , 281.325012
3.00000000 , 4.97542918E-02 , 7.30474964E-02 , 187.688004