{"coeffs": [-4.0810541227359614e-07, 4.3555883398487044e-05, 0.4170424193365922, 0.13216887897154933], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3988023784867316e-06, 1.2514944250782401e-05, 0.0795083273883896, 0.05058371982608622], "covariance": [[5.7542528510336e-12, -1.9536595705707227e-11, -9.508982846290087e-08, -9.940306022604808e-08], [-1.953659570570725e-11, 1.5662382960019148e-10, 9.65625089639031e-07, 5.809101479305695e-07], [-9.508982846290096e-08, 9.65625089639031e-07, 0.0063215741240993445, 0.003413715067410734], [-9.940306022604808e-08, 5.809101479305693e-07, 0.003413715067410733, 0.0025587127114439882]]}