xper,xns,xew,xco
0.100000001 , 2.74365759 , 2.32790780 , 892.650024
0.200000003 , 4.92692757 , 3.08140492 , 1031.25000
0.300000012 , 5.18758726 , 3.61983943 , 1031.25000
0.500000000 , 3.90110207 , 2.73362994 , 1031.25000
1.00000000 , 0.857275724 , 1.03877616 , 562.650024
2.00000000 , 0.249224022 , 0.281667084 , 281.325012
3.00000000 , 5.09630069E-02 , 8.75134990E-02 , 187.688004