{"coeffs": [-2.143691228392969e-06, 0.00011672912013790189, 0.5315429067157568, 0.16000205676782547], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.409197636769935e-07, 3.939180699796941e-06, 0.01028126995037995, 0.0048231638027317275], "covariance": [[1.9441023800097579e-13, -1.3252865973285313e-12, -3.234570723187448e-09, -1.8957312529759845e-09], [-1.3252865973285325e-12, 1.5517144585652715e-11, 4.026986531733159e-08, 1.8016931195529945e-08], [-3.23457072318745e-09, 4.0269865317331586e-08, 0.00010570451179258573, 4.622077299054367e-05], [-1.8957312529759845e-09, 1.8016931195529942e-08, 4.622077299054367e-05, 2.326290906798158e-05]]}