{"coeffs": [-8.430796952018486e-07, 0.32541399780385205, 1.8276285515719612, 0.14550878300039682], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.463964910603984e-07, 107.91162512621165, 48.54656112098502, 0.008459292835520755], "covariance": [[1.992698272310363e-13, -3.469624370105374e-05, -1.5613306629742974e-05, -3.1602581248445742e-09], [-3.4696243693339096e-05, 11644.918837380032, 5238.737897235894, 0.8784523822403753], [-1.5613306626221485e-05, 5238.737897236508, 2356.7685966735344, 0.3952362614843039], [-3.1602581244927156e-09, 0.8784523823141199, 0.3952362615174876, 7.155963527709277e-05]]}