{"coeffs": [-1.6592017126406488e-08, 1.2807723189334644e-05, 0.6503069109413476, 0.0665049081911928], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.876273520562543e-08, 8.28970925103373e-06, 0.06757591038521447, 0.009372514184583961], "covariance": [[8.272949365089244e-16, -8.996857627080262e-14, -7.589269790306617e-10, -1.329715891897417e-10], [-8.996857627080143e-14, 6.871927946667422e-11, 5.59130075592357e-07, 7.345044852496136e-08], [-7.589269790306568e-10, 5.591300755923574e-07, 0.004566503664390537, 0.0006089826836140139], [-1.32971589189741e-10, 7.34504485249616e-08, 0.0006089826836140154, 8.784402214022757e-05]]}