xper,xns,xew,xco
0.100000001 , 20.9113903 , 14.6573601 , 892.650024
0.200000003 , 30.2192097 , 22.5174980 , 1031.25000
0.300000012 , 38.4798775 , 20.1819897 , 1031.25000
0.500000000 , 10.9471817 , 3.70839596 , 1031.25000
1.00000000 , 1.73079002 , 0.485133201 , 562.650024
2.00000000 , 0.366909653 , 0.105612412 , 281.325012
3.00000000 , 0.149843633 , 4.57296260E-02 , 187.688004