x1	u_x1
NaN	NaN
1.27956321956417	0.0119435645947614
5.34075586878339	0.013438238416548
8.96418638087092	0.0158246995479805
13.3002605801523	0.0194574495964765
16.9034363497111	0.0228488640191185
21.2493314748012	0.0271988115324902
24.9132813824779	0.0310040072730344
29.1483272910457	0.0355028557419693
32.7311635628252	0.0393673841581073
36.395071346932	0.0433589620023659
