{"coeffs": [1.0160916562731288e-07, 0.6289493311951062, 1.6188780740550708, 0.10122933339452517], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.125543063800518e-07, 1705.993616736033, 275.6739378591062, 0.009441004465486525], "covariance": [[4.517933316070493e-14, -0.00020205161390068527, -3.2652755587894436e-05, -1.3745620389122183e-09], [-0.000202051613827661, 2910414.22034409, 470297.97591856116, 15.390319351980626], [-3.265275557692066e-05, 470297.97591857944, 75996.12001474635, 2.487020558279809], [-1.374562038642475e-09, 15.390319353828348, 2.4870205585791436, 8.913256531733652e-05]]}