{"coeffs": [-1.985435821314473e-08, 1.504125977052836e-05, 0.6788243229079041, 0.07099962199890604], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.715020530681741e-08, 1.8961152912544216e-05, 0.13073053851588548, 0.014211581122668283], "covariance": [[1.3801377543386847e-15, -2.808327857773793e-13, -2.01151990925982e-09, -2.7281111615066196e-10], [-2.808327857773845e-13, 3.5952531977288395e-10, 2.4749131428866998e-06, 2.5540035792114907e-07], [-2.011519909259842e-09, 2.4749131428866976e-06, 0.01709047370065342, 0.001789225679035785], [-2.728111161506648e-10, 2.554003579211477e-07, 0.001789225679035777, 0.00020196903800618148]]}