{"coeffs": [-8.519300312006811e-07, 0.2562486379508502, 1.8203588261426615, 0.1457659852577953], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.8414865378596518e-07, 39.13069875163786, 22.367246548300503, 0.004154288540705177], "covariance": [[3.391072669118327e-14, -5.195573905366066e-06, -2.9706906002830483e-06, -6.407111630063717e-10], [-5.195573905044698e-06, 1531.2115847914324, 875.2459104833282, 0.15644091301684693], [-2.9706906001042024e-06, 875.2459104833582, 500.2937181524607, 0.08943269276338776], [-6.407111629885518e-10, 0.15644091302046964, 0.089432692765456, 1.7258113279434345e-05]]}