{"coeffs": [-3.4546894358812654e-06, 2.0935572224463074e-05, 0.41082786591439274, 0.30508794011006635], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.599111291700691e-07, 1.9844449250401386e-06, 0.030432167601521988, 0.038494247184199776], "covariance": [[9.21429375904557e-13, -1.766249369658505e-12, -2.214652797719695e-08, -3.617666365344741e-08], [-1.7662493696584803e-12, 3.938021660517561e-12, 5.71594762049019e-08, 7.493177757701388e-08], [-2.2146527977196286e-08, 5.715947620490122e-08, 0.0009261168249271246, 0.0010195376079449653], [-3.617666365344716e-08, 7.493177757701437e-08, 0.001019537607944985, 0.0014818070662782723]]}