{"coeffs": [-2.6173162600264054e-06, 0.00011578900013408904, 0.4698166521720381, 0.1491257772076346], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.112478016764602e-07, 3.187019059329444e-06, 0.00791899877753523, 0.004961070129587567], "covariance": [[3.7362387505430533e-13, -1.4310241417595085e-12, -2.9724424271771734e-09, -2.665273649566954e-09], [-1.43102414175951e-12, 1.0157090484529134e-11, 2.4737229072809528e-08, 1.4810636611805243e-08], [-2.972442427177177e-09, 2.4737229072809528e-08, 6.271054163860448e-05, 3.464787317943715e-05], [-2.665273649566955e-09, 1.4810636611805238e-08, 3.464787317943714e-05, 2.4612216830686003e-05]]}