{"coeffs": [-4.05516341369459e-06, 0.00010320793670254844, 0.5356530036380354, 0.203465082349579], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8280887188732311e-06, 1.9452953849965466e-05, 0.06833576953301553, 0.028556169182821983], "covariance": [[3.3419083640715718e-12, -2.9468065021049075e-11, -1.0052093945764644e-07, -4.8573189105449856e-08], [-2.9468065021049114e-11, 3.784174134888863e-10, 1.3263115880251984e-06, 5.343279700375022e-07], [-1.0052093945764662e-07, 1.3263115880251988e-06, 0.004669777397669412, 0.0018638074929304982], [-4.85731891054499e-08, 5.343279700375022e-07, 0.0018638074929304973, 0.000815454798397952]]}