{"coeffs": [-1.2816735696181177e-07, 0.4067055125431672, 1.2174023757356964, 0.05400283683373945], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.1945429890968434e-08, 4350.589826738816, 579.0463809942547, 0.0060125004621222975], "covariance": [[1.0205104909187794e-15, -4.98280808231236e-05, -6.63214950283909e-06, -8.7525184898349e-11], [-4.982808079548831e-05, 18927631.840523276, 2519193.293096416, 25.142684610359066], [-6.63214949972596e-06, 2519193.293096456, 335294.7113425436, 3.3464227922559706], [-8.752518486601564e-11, 25.1426846140226, 3.346422792737481, 3.6150161807020844e-05]]}