{"coeffs": [-8.278755808196908e-07, 2.9459405747631376e-05, 0.3583390757802601, 0.16548077009127382], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.840993020988035e-07, 2.823434625363886e-06, 0.028331811264009497, 0.025265457328009475], "covariance": [[9.684514363913522e-13, -2.10366770292444e-12, -1.4009762126226218e-08, -2.2412512422859977e-08], [-2.103667702924442e-12, 7.971783083703706e-12, 7.47782137398571e-08, 6.665573986930335e-08], [-1.4009762126226252e-08, 7.477821373985714e-08, 0.0008026915294994554, 0.00056274852840245], [-2.2412512422859987e-08, 6.66557398693033e-08, 0.0005627485284024491, 0.0006383433339934676]]}