{"coeffs": [-1.152768931883337e-06, 0.0642670175256803, 1.7283741029944422, 0.15771772855720445], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.8045301464041412e-07, 3.117107569294879, 7.712822112723202, 0.0048778065542335455], "covariance": [[3.2563290492813515e-14, -4.2400684708144613e-07, -1.0499645201843819e-06, -7.606746782904318e-10], [-4.240068470819752e-07, 9.716359598555428, 24.04167964297232, 0.014666594410356582], [-1.0499645201871548e-06, 24.04167964297218, 59.487624942512, 0.03630191480206908], [-7.60674678291459e-10, 0.01466659441033787, 0.03630191480202064, 2.379299678052373e-05]]}