{"coeffs": [-1.8742085943079128e-06, 4.540345102808204e-05, 0.4287030757496213, 0.177234392603668], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5007424577347985e-07, 7.553093059061561e-07, 0.005345902421470484, 0.0033800251713352186], "covariance": [[2.2522279244478835e-14, -8.874049127033446e-14, -5.44154331492463e-10, -4.613256236455569e-10], [-8.874049127033434e-14, 5.704921475884393e-13, 3.973090704376333e-09, 2.4186742922084107e-09], [-5.441543314924626e-10, 3.973090704376333e-09, 2.8578672699883986e-05, 1.6235884535478557e-05], [-4.613256236455566e-10, 2.4186742922084115e-09, 1.623588453547856e-05, 1.1424570158859673e-05]]}