{"coeffs": [-4.38832230039757e-07, 0.32196914976035823, 1.8012537604537422, 0.14114596478457012], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.2743436159108087e-07, 122.97393526879951, 54.24354642511624, 0.008754847493731696], "covariance": [[1.8270013346877486e-13, -3.716727850704282e-05, -1.6398862773482873e-05, -3.0900321975550384e-09], [-3.716727850396666e-05, 15122.588755494893, 6670.541903905604, 1.0351781848555754], [-1.6398862772136287e-05, 6670.54190390589, 2942.3623287737414, 0.45666346124796503], [-3.090032197425828e-09, 1.0351781848895587, 0.456663461262903, 7.664735463850017e-05]]}