{"coeffs": [-2.7655635996791472e-06, 0.0009889983430982105, 1.3200569834700753, 0.2311643589139534], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.401633989271977e-07, 0.001931874396573485, 0.5218137427213506, 0.017764510271591167], "covariance": [[2.917764975405829e-13, -9.13546432373676e-10, -2.491944373398752e-07, -9.103000186001504e-09], [-9.135464323732135e-10, 3.732138684136167e-06, 0.0010078474381268584, 3.351139650480722e-05], [-2.491944373397529e-07, 0.001007847438126881, 0.2722895820928639, 0.00909212390800781], [-9.103000185999118e-09, 3.351139650481495e-05, 0.009092123908009696, 0.00031557782518946807]]}