{"coeffs": [-3.2761117054477317e-06, 0.00011007374513953444, 0.4883827407041053, 0.17805195539228005], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.747720085554258e-07, 6.505727130532475e-06, 0.019557389024749832, 0.00938547347470668], "covariance": [[6.002716652410088e-13, -3.949516230540893e-12, -1.113072203326714e-08, -6.5823937686663525e-09], [-3.949516230540891e-12, 4.2324485496946305e-11, 1.2654160827647312e-07, 5.8110945616793784e-08], [-1.1130722033267126e-08, 1.265416082764731e-07, 0.00038249146546540525, 0.0001715514895960893], [-6.5823937686663525e-09, 5.81109456167938e-08, 0.00017155148959608935, 8.808711234442269e-05]]}