xper,xns,xew,xco
0.100000001 , 0.601775527 , 0.537052035 , 892.650024
0.200000003 , 0.952371299 , 0.831757545 , 1031.25000
0.300000012 , 1.24527836 , 0.985030115 , 1031.25000
0.500000000 , 1.28390193 , 1.30162954 , 1031.25000
1.00000000 , 0.502180278 , 0.632021785 , 562.650024
2.00000000 , 0.122029528 , 0.109862871 , 281.325012
3.00000000 , 3.33589055E-02 , 3.55473347E-02 , 187.688004