"Xt1 v time
0.0000000000000	-0.0000000000000
0.0250000000000	-0.0015563824763
0.0500000000000	-0.0059545377414
0.0750000000000	-0.0127516576816
0.1000000000000	-0.0213714177702
0.1250000000000	-0.0312368352040
0.1500000000000	-0.0418757850903
0.1750000000000	-0.0529769826585
0.2000000000000	-0.0643917087301
0.2250000000000	-0.0760926414329
0.2500000000000	-0.0881111508691