{"coeffs": [-1.5844587947362426e-06, 3.1046465390798314e-05, 0.4324409025563309, 0.2005085144723629], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.417459068863543e-07, 6.678099119359296e-07, 0.007404535732142075, 0.0048194917621975294], "covariance": [[2.009190211903502e-14, -7.811482658121989e-14, -7.686305037251117e-10, -6.376381272243412e-10], [-7.811482658122005e-14, 4.459700784798741e-13, 4.876728827300718e-09, 3.079910344305702e-09], [-7.686305037251138e-10, 4.876728827300719e-09, 5.4827149408568764e-05, 3.253743234792568e-05], [-6.376381272243416e-10, 3.0799103443056987e-09, 3.253743234792564e-05, 2.322750084588985e-05]]}