{"coeffs": [-1.7485063578082777e-06, 0.00010534271535705207, 0.48960232961738376, 0.14105115292009238], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.7430544178131373e-07, 1.7879129254310149e-06, 0.004754471605980341, 0.0026633678549221164], "covariance": [[7.524347539084169e-14, -3.477289062507863e-13, -7.979232127260423e-10, -6.269292681636821e-10], [-3.477289062507865e-13, 3.19663262892329e-12, 8.376219408369126e-09, 4.448612666919062e-09], [-7.97923212726043e-10, 8.376219408369124e-09, 2.2605000252073286e-05, 1.133463892715433e-05], [-6.269292681636824e-10, 4.44861266691906e-09, 1.1334638927154328e-05, 7.0935283306324355e-06]]}