{"coeffs": [-1.430166412111886e-08, 1.8794255311447114e-05, 0.6035196525172316, 0.08850677083349909], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.8421264144090593e-08, 1.8812678542339778e-06, 0.0161996128962477, 0.0037226754771749197], "covariance": [[8.077682555481695e-16, -2.4722879672558722e-14, -2.1428133351514004e-10, -6.367349876241965e-11], [-2.4722879672558628e-14, 3.5391687393741152e-12, 3.038790063353667e-08, 6.546161639370605e-09], [-2.1428133351513985e-10, 3.0387900633536687e-08, 0.00026242745798827483, 5.7302661973276116e-05], [-6.367349876241958e-11, 6.546161639370612e-09, 5.730266197327617e-05, 1.3858312708359517e-05]]}