{"coeffs": [-9.47422544427043e-07, 6.169236035374063e-05, 0.4536466115186517, 0.144587943798901], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5368137528682426e-06, 1.8226611867534336e-05, 0.08568197613821323, 0.045877911898115326], "covariance": [[6.435424016741456e-12, -3.213138636653977e-11, -1.316673010820668e-07, -9.85195037944379e-08], [-3.213138636653967e-11, 3.322093801697435e-10, 1.5411825354881396e-06, 7.798978013467572e-07], [-1.3166730108206626e-07, 1.5411825354881392e-06, 0.007341401034949341, 0.0035339883770063567], [-9.851950379443776e-08, 7.79897801346758e-07, 0.0035339883770063615, 0.002104782800131232]]}