{"coeffs": [-8.501379303913348e-06, 0.00017148425862419466, 0.5154515967326242, 0.2016339811585935], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.365659278889821e-06, 1.4389063012130728e-05, 0.029233655798290188, 0.01628444954320715], "covariance": [[5.596343823797509e-12, -2.868168809981577e-11, -5.436615020579345e-08, -3.6241106005187475e-08], [-2.8681688099815788e-11, 2.0704513436706863e-10, 4.1792162513219224e-07, 2.2550261814901347e-07], [-5.4366150205793464e-08, 4.1792162513219224e-07, 0.0008546066313329055, 0.00044629573575614046], [-3.624110600518748e-08, 2.2550261814901347e-07, 0.00044629573575614046, 0.0002651832969252595]]}