{"coeffs": [-1.129696277968508e-07, 0.06698727263452689, 1.4049401048584766, 0.09452016088212994], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.478118284730948e-08, 16.644956430292783, 23.624717476212943, 0.003843538671711835], "covariance": [[2.0053543372041647e-15, -3.935452149554735e-07, -5.587797596629113e-07, -1.1268411284267272e-10], [-3.9354521491516005e-07, 277.054574566345, 393.23236097077506, 0.061102146601562865], [-5.587797596069832e-07, 393.23236097079047, 558.1272758308813, 0.08673507407608472], [-1.1268411283711627e-10, 0.061102146603413635, 0.08673507407872066, 1.4772789520944377e-05]]}