{"coeffs": [3.5283085203923332e-09, 0.03305877795059805, 1.2643087420821035, 0.07169201742489947], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.4834076166350035e-08, 179.58211121760132, 387.5581722584912, 0.01895123576806266], "covariance": [[1.2134128623630756e-15, -2.571424539314721e-06, -5.550216870245407e-06, -3.460282714452741e-10], [-2.5714245370631324e-06, 32249.734669370926, 69598.51413529113, 3.252787319709249], [-5.550216865280381e-06, 69598.51413529913, 150201.33688434234, 7.020173604067264], [-3.4602827128670616e-10, 3.252787320548839, 7.020173605877724, 0.00035914933713669753]]}