x1	u_x1
NaN	NaN
0.607769747099666	0.0118525662112943
2.41954991563623	0.0122063170829916
4.02770004950097	0.0127928779844392
5.95146784323872	0.0137832667880264
7.7018320579203	0.0149078271888338
9.61555505067978	0.0163270967649433
11.3258012279973	0.0177256879121492
13.3309502222396	0.0194851370160185
14.9071656447255	0.0209392453847194
16.6388263545121	0.0225918496349342
