{"coeffs": [-1.0096186039724775e-06, 0.26134979004988473, 1.8736650580391139, 0.1518648560474705], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.0490337008478316e-07, 64.13352563317105, 37.473818724054006, 0.006900307670507478], "covariance": [[9.296606508905826e-14, -1.4437076335958626e-05, -8.438095987371139e-06, -1.7920730068442023e-09], [-1.443707633644364e-05, 4113.109110140608, 2403.3279139640026, 0.42638687082599896], [-8.438095987656035e-06, 2403.327913963955, 1404.2870897632608, 0.24917000553452737], [-1.7920730068778425e-09, 0.4263868708202159, 0.24917000553113564, 4.761424594766434e-05]]}