{"coeffs": [-1.542601002369137e-06, 0.22586448414054255, 1.9411453509719065, 0.16413479096805042], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.894579855946053e-07, 61.83861097932994, 45.22654717920098, 0.010470350123631164], "covariance": [[2.3956911966232877e-13, -2.3291071045038296e-05, -1.7039605851625847e-05, -4.491523267609993e-09], [-2.3291071045635955e-05, 3824.0138078529053, 2796.7465313062203, 0.6253486906660095], [-1.7039605852097688e-05, 2796.7465313061675, 2045.4405697524917, 0.45741675510122826], [-4.4915232676782534e-09, 0.6253486906594288, 0.4574167550964132, 0.00010962823171142312]]}