{"coeffs": [-2.24457268149548e-06, 7.197403615317964e-05, 0.3569858707937111, 0.13015598357908842], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.03936269764319e-07, 1.5035982008264885e-06, 0.005606816399334338, 0.004777643299939005], "covariance": [[2.539517639839765e-13, -4.877776500365858e-13, -9.48134118922561e-10, -1.9941345165689986e-09], [-4.877776500365852e-13, 2.2608075495286534e-12, 7.68423237890879e-09, 6.477556033992369e-09], [-9.481341189225584e-10, 7.684232378908786e-09, 3.143639013584447e-05, 1.9367369817271993e-05], [-1.994134516568998e-09, 6.477556033992371e-09, 1.9367369817272006e-05, 2.2825875501452063e-05]]}