xper,xns,xew,xco
0.100000001 , 0.601772606 , 0.537046194 , 892.650024
0.200000003 , 0.952368498 , 0.831754446 , 1031.25000
0.300000012 , 1.24527550 , 0.985028565 , 1031.25000
0.500000000 , 1.28390467 , 1.30163443 , 1031.25000
1.00000000 , 0.502179980 , 0.632028937 , 562.650024
2.00000000 , 0.122020610 , 0.109868750 , 281.325012
3.00000000 , 3.33654732E-02 , 3.55503112E-02 , 187.688004