xper,xns,xew,xco
0.100000001 , 0.325412273 , 0.454675436 , 892.650024
0.200000003 , 0.548656464 , 0.483315200 , 1031.25000
0.300000012 , 0.816314697 , 0.993138313 , 1031.25000
0.500000000 , 1.09459317 , 1.01854467 , 1031.25000
1.00000000 , 0.480078012 , 0.391014308 , 562.650024
2.00000000 , 0.130030066 , 0.115513928 , 281.325012
3.00000000 , 4.53517102E-02 , 6.01775162E-02 , 187.688004