"phi v time
0.0000000000000	0.9999198827161
0.3000000000000	0.9888123616498
0.6000000000000	0.9562359086195
0.9000000000000	0.9067795980557
1.2000000000000	0.8496166364932
1.5000000000000	0.8081376662953
1.8000000000000	0.8258203526929
2.1000000000000	0.9178957669541
2.4000000000000	1.0856681564264
2.7000000000000	1.2948926779457
3.0000000000000	1.4849088247045