{"coeffs": [-2.0990728103338633e-06, 1.6487325085592532, 2.309850604414669, 0.1848562588960632], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.194713915082312e-06, 3074.3470017185355, 346.1852213527477, 0.02800303016394948], "covariance": [[1.0206196999220555e-11, -0.007978189070403346, -0.0008984757191567335, -8.12178531326974e-08], [-0.007978189067758653, 9451609.48697575, 1064293.4800630144, 83.47553509511594], [-0.0008984757188624107, 1064293.4800631185, 119844.20748305092, 9.400144915540725], [-8.121785311913648e-08, 83.47553510658831, 9.40014491683078, 0.0007841696983630646]]}