{"coeffs": [-6.119221573357957e-07, 5.081779201499849e-05, 0.4221280219515143, 0.11796440558686293], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5204568275606043e-07, 1.4010840429849294e-06, 0.007103049094851943, 0.004424873752815856], "covariance": [[6.352702619596866e-14, -2.08397024745871e-13, -7.725792957120926e-10, -8.57344191892645e-10], [-2.0839702474587097e-13, 1.9630364955069953e-12, 9.61906223633527e-09, 5.614272871961526e-09], [-7.725792957120922e-10, 9.61906223633527e-09, 5.0453306443877015e-05, 2.6270305914469393e-05], [-8.57344191892645e-10, 5.614272871961526e-09, 2.6270305914469396e-05, 1.9579507728358678e-05]]}