{"coeffs": [-5.137898605111593e-07, 3.923841623296049e-05, 0.4182883450417554, 0.11546587379016747], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8069029945241452e-07, 9.663770969083093e-07, 0.006270526038924272, 0.003987601225918278], "covariance": [[3.2648984316203236e-14, -1.0101007204229209e-13, -4.636631862625606e-10, -5.474920113191227e-10], [-1.0101007204229216e-13, 9.338846934289317e-13, 5.833242493826546e-09, 3.4753349177378536e-09], [-4.636631862625607e-10, 5.833242493826545e-09, 3.9319496804827326e-05, 2.064607778992012e-05], [-5.474920113191228e-10, 3.4753349177378536e-09, 2.0646077789920124e-05, 1.5900963536944954e-05]]}