{"coeffs": [-3.3445204864057443e-06, 6.643812192350031e-05, 0.4958827686002786, 0.19906454252151046], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.473833446236674e-07, 3.400955743355397e-06, 0.0174566024830048, 0.010600690608751549], "covariance": [[4.19105194896126e-13, -1.847405384942883e-12, -8.663559770461158e-09, -6.4492491306961964e-09], [-1.847405384942883e-12, 1.156649996826206e-11, 5.8807046302319565e-08, 3.464190035710287e-08], [-8.663559770461158e-09, 5.880704630231958e-08, 0.00030473297024964934, 0.00017153253390452135], [-6.449249130696196e-09, 3.464190035710288e-08, 0.00017153253390452133, 0.00011237464138247329]]}