x1	u_x1
NaN	NaN
1.56456241464293	0.0119966716907803
4.9743774902625	0.0132443773997086
8.01775488977544	0.0151295793184517
11.559929214938	0.0179250765378887
14.7152062387634	0.0207588993990246
18.2978172975325	0.0242198623218657
21.3613911239941	0.0273135999251167
24.8937760647269	0.0309832440579173
28.0185448025963	0.0342942479384843
31.2147645983774	0.0377263475175221
