x1	u_x1
NaN	NaN
1.95117481982803	0.0120824679285417
6.03275423201826	0.0138312470797267
9.67658637821917	0.0163751101578952
13.8598950654254	0.0199669288431183
17.4226205006395	0.0233561386517753
21.9115664914614	0.0278787374807758
25.4025695290632	0.031518818969209
29.5963622423197	0.0359835457334762
33.4705736850151	0.0401711340995568
36.7797209000172	0.0437805043495981
