{"coeffs": [-1.2131433881423785e-06, 8.14364909878482e-05, 0.7669536320521535, 0.19650114154919096], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.968818631166655e-07, 1.68781310576462e-05, 0.06606424857705556, 0.013241597144264964], "covariance": [[8.81388406476225e-14, -4.174004070289406e-12, -1.6578826859146226e-08, -3.6441208857422074e-09], [-4.174004070289435e-12, 2.848713079990813e-10, 1.1139701017247776e-06, 2.1627460351997297e-07], [-1.6578826859146336e-08, 1.1139701017247774e-06, 0.0043644849400509885, 0.0008539360469398996], [-3.6441208857422214e-09, 2.1627460351997257e-07, 0.0008539360469398983, 0.00017533989493100603]]}