{"coeffs": [-4.958812941215418e-07, 7.062282403374966e-05, 0.392185674354982, 0.1287268129712184], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9222430288857117e-07, 1.2081784613783629e-06, 0.004683427461073064, 0.0033637524947740245], "covariance": [[8.539504319871138e-14, -2.250370575791131e-13, -5.867329612968421e-10, -8.007198235172983e-10], [-2.2503705757911305e-13, 1.4596951945385885e-12, 5.38488648016048e-09, 3.693730968014001e-09], [-5.867329612968409e-10, 5.3848864801604785e-09, 2.1934492783133286e-05, 1.2655144246965367e-05], [-8.007198235172981e-10, 3.693730968014002e-09, 1.2655144246965379e-05, 1.1314830846098473e-05]]}