{"coeffs": [-5.968121018093614e-09, 1.0001841243803136, 1.9118356237707144, 0.13600429483160772], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.972903852787047e-07, 2007.1732586968124, 274.03241250444455, 0.014173451763666625], "covariance": [[4.862138814021244e-13, -0.000966745799730653, -0.00013200005440780176, -8.021221985988994e-09], [-0.0009667457997602472, 4028744.490427581, 550030.5252211948, 27.3268260262458], [-0.00013200005441119735, 550030.5252211927, 75093.76310300604, 3.730984843032641], [-8.02122198614687e-09, 27.326826026035818, 3.730984843003013, 0.00020088673489698455]]}