{"coeffs": [-1.96519588650699e-07, 0.022777738850526634, 1.684107337560338, 0.14022489446673841], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.422069585667288e-08, 8.19512101779222, 50.57023921189518, 0.013431761649113493], "covariance": [[5.508711693448738e-15, -4.13001420427893e-07, -2.549682757231105e-06, -7.992769551648083e-10], [-4.1300142048337187e-07, 67.16000849625978, 414.42915804953225, 0.10563427122696713], [-2.5496827575738135e-06, 414.4291580494897, 2557.349093948301, 0.6519576577803052], [-7.992769552194333e-10, 0.10563427122157013, 0.6519576577470942, 0.00018041222099859602]]}