{"coeffs": [-2.611737944968418e-07, 0.3895406015574973, 1.769526182232774, 0.13421027024246107], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.4953359099771313e-06, 673.2606789783184, 233.45101132736423, 0.03064050203919145], "covariance": [[2.2360294836671353e-12, -0.0006891910102909163, -0.00023903181943408657, -3.694251018666389e-08], [-0.000689191010260614, 453279.94185834634, 157173.37857172734, 19.808056729534908], [-0.0002390318194248858, 157173.37857173025, 54499.374689769145, 6.8690102656569945], [-3.694251018601898e-08, 19.808056729871577, 6.869010265772228, 0.0009388403652136953]]}