"betax v time
0.0000000000000	0.0000000000000
0.0250000000000	-0.0000001722319
0.0500000000000	-0.0000009832144
0.0750000000000	-0.0000030274765
0.1000000000000	-0.0000068417387
0.1250000000000	-0.0000129098628
0.1500000000000	-0.0000216673539
0.1750000000000	-0.0000335054587
0.2000000000000	-0.0000487748962
0.2250000000000	-0.0000677892551
0.2500000000000	-0.0000908280878