xper,xns,xew,xco
0.100000001 , 38.3416367 , 23.8475075 , 892.650024
0.200000003 , 16.5312519 , 11.8493643 , 1031.25000
0.300000012 , 6.39409399 , 4.76992464 , 1031.25000
0.500000000 , 3.07051635 , 2.11504674 , 1031.25000
1.00000000 , 0.828459561 , 0.456866503 , 562.650024
2.00000000 , 0.184330136 , 0.106052518 , 281.325012
3.00000000 , 0.110474095 , 5.78378327E-02 , 187.688004