{"coeffs": [-1.2239669420616103e-07, 0.20733658485411338, 1.2702069403642644, 0.06528285574813857], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.8858934961597177e-08, 380.85911224105405, 120.30677510935026, 0.0037377982106620456], "covariance": [[8.328381271176958e-16, -4.4231537826086666e-06, -1.3973292544104692e-06, -5.524216321239543e-11], [-4.423153778751742e-06, 145053.6633770438, 45819.93137970421, 1.3627964760945654], [-1.3973292532098654e-06, 45819.93137970758, 14473.72013721178, 0.4304953927280644], [-5.524216318438293e-11, 1.3627964764318852, 0.43049539283423455, 1.397113546362839e-05]]}