{"coeffs": [-2.6200696317698955e-06, 5.716085799375625e-05, 0.45121191013766965, 0.15591026527898444], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.1821795407055674e-06, 1.4649212431429699e-05, 0.0759679066316116, 0.0416651417813448], "covariance": [[4.761907547873961e-12, -2.332693680786469e-11, -1.0658512169083484e-07, -7.930912085529796e-08], [-2.332693680786472e-11, 2.1459942486115444e-10, 1.0992117361582044e-06, 5.729835314285828e-07], [-1.0658512169083495e-07, 1.0992117361582044e-06, 0.005771122837989258, 0.002862275336147863], [-7.930912085529797e-08, 5.729835314285826e-07, 0.0028622753361478618, 0.001735984039659564]]}