{"coeffs": [1.669114130930347e-07, 6.532243410938015e-06, 0.5916015418596079, 0.057488003294561815], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2704684362348068e-07, 9.349713884119208e-06, 0.1613801825835215, 0.03946878741579312], "covariance": [[1.6140900474689155e-14, -3.895855054791616e-13, -6.652456246829768e-09, -2.217736080625591e-09], [-3.8958550547916273e-13, 8.741714971489149e-11, 1.5037786642076732e-06, 3.4417269953326853e-07], [-6.652456246829778e-09, 1.5037786642076732e-06, 0.026043563330690737, 0.00603452228766195], [-2.217736080625587e-09, 3.441726995332683e-07, 0.006034522287661948, 0.0015577851800730694]]}