xper,xns,xew,xco
0.100000001 , 20.9105549 , 14.6577492 , 892.650024
0.200000003 , 30.2183762 , 22.5178814 , 1031.25000
0.300000012 , 38.4807281 , 20.1815910 , 1031.25000
0.500000000 , 10.9480429 , 3.70879507 , 1031.25000
1.00000000 , 1.72995079 , 0.485528111 , 562.650024
2.00000000 , 0.366071790 , 0.105995312 , 281.325012
3.00000000 , 0.148999766 , 4.61273566E-02 , 187.688004