{"coeffs": [-4.300586604840266e-06, 0.00011099491552395573, 0.36702866847733323, 0.1561586039102574], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.256267116717066e-07, 2.9185522654870366e-06, 0.007573106293516627, 0.006343200091086622], "covariance": [[8.567848093601767e-13, -1.9782821533980284e-12, -3.454396907625221e-09, -5.198297058759465e-09], [-1.9782821533980256e-12, 8.517947326379513e-12, 2.0811082852239682e-08, 1.7193766024036485e-08], [-3.454396907625215e-09, 2.0811082852239675e-08, 5.735193893290115e-05, 3.814709424009711e-05], [-5.198297058759462e-09, 1.7193766024036495e-08, 3.814709424009715e-05, 4.023618739556133e-05]]}