xper,xns,xew,xco
0.100000001 , 2.74344087 , 2.32926464 , 892.650024
0.200000003 , 4.92669916 , 3.07953596 , 1031.25000
0.300000012 , 5.18735933 , 3.17583036 , 1031.25000
0.500000000 , 3.90134454 , 2.55227184 , 1031.25000
1.00000000 , 0.857487559 , 1.04073226 , 562.650024
2.00000000 , 0.249461800 , 0.182955131 , 281.325012
3.00000000 , 5.11878096E-02 , 8.86291713E-02 , 187.688004