xper,xns,xew,xco
0.100000001 , 2.04111266 , 1.18844962 , 892.650024
0.200000003 , 0.521140456 , 0.468238056 , 1031.25000
0.300000012 , 0.506477654 , 0.546932995 , 1031.25000
0.500000000 , 0.351738781 , 0.164235294 , 1031.25000
1.00000000 , 0.217651427 , 0.132108226 , 562.650024
2.00000000 , 4.46513146E-02 , 1.64469723E-02 , 281.325012
3.00000000 , 1.17751351E-02 , 7.80074205E-03 , 187.688004