xper,xns,xew,xco
0.100000001 , 3.44957900 , 4.66943169 , 892.650024
0.200000003 , 5.49763250 , 5.43675947 , 1031.25000
0.300000012 , 6.09534264 , 6.12241840 , 1031.25000
0.500000000 , 10.1662045 , 10.6797638 , 1031.25000
1.00000000 , 1.59559965 , 2.02918029 , 562.650024
2.00000000 , 0.296738058 , 0.370379478 , 281.325012
3.00000000 , 8.32269639E-02 , 0.133905113 , 187.688004