{"coeffs": [-4.810244621142888e-06, 0.00010197160304350836, 0.56732162351467, 0.21882103462474617], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0105136312084253e-06, 8.398603386819086e-06, 0.031075583969244938, 0.014458105653999524], "covariance": [[1.0211377988580374e-12, -7.33355516909037e-12, -2.6248205587811448e-08, -1.3881649333360171e-08], [-7.333555169090433e-12, 7.053653884908901e-11, 2.603471005430183e-07, 1.1757851482224971e-07], [-2.624820558781171e-08, 2.6034710054301857e-07, 0.0009656919190295931, 0.0004302508623199625], [-1.3881649333360226e-08, 1.1757851482224927e-07, 0.0004302508623199604, 0.000209036819102213]]}