{"coeffs": [-3.1487998412969495e-07, 3.9566151710694985e-05, 0.45588716226529874, 0.12519698517681077], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.631955947195987e-08, 6.721802268048153e-07, 0.004492899977634476, 0.002362896549365264], "covariance": [[7.451066347433218e-15, -3.609107238287201e-14, -2.0322384433032612e-10, -1.6064912084122497e-10], [-3.609107238287199e-14, 4.518262573073729e-13, 2.97099796712166e-09, 1.4614209412069528e-09], [-2.032238443303263e-10, 2.9709979671216605e-09, 2.018615020902787e-05, 9.40052819657487e-06], [-1.606491208412249e-10, 1.4614209412069526e-09, 9.400528196574869e-06, 5.583280103002272e-06]]}