{"coeffs": [-1.1332801549265249e-07, 0.12855555024358598, 1.2619275525903813, 0.06607661755820655], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.8609016381639787e-08, 228.248380675531, 118.02837148826112, 0.004695607255359056], "covariance": [[8.184758183249337e-16, -2.649052055501468e-06, -1.3699992349729103e-06, -6.933597915528434e-11], [-2.6490520557536103e-06, 52097.323281002115, 26939.78449544516, 1.0257896074710164], [-1.3699992351202172e-06, 26939.784495444906, 13930.696476170968, 0.530458946182094], [-6.933597915673835e-11, 1.0257896074443533, 0.5304589461683487, 2.2048727496580606e-05]]}