{"coeffs": [-4.1634509096957926e-07, 0.21174295806819649, 1.7964445215471685, 0.1452073920641892], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.597546806807051e-07, 58.70583672962899, 40.516135444259945, 0.008596533463755156], "covariance": [[1.294234302716761e-13, -1.519316515190277e-05, -1.0489153994598713e-05, -2.5859090821774598e-09], [-1.51931651533998e-05, 3446.3752661258563, 2378.533370337649, 0.4856170782048237], [-1.0489153995597304e-05, 2378.533370337505, 1641.5572313376172, 0.33519552151046694], [-2.585909082300151e-09, 0.4856170781869637, 0.3351955214982073, 7.390038759346223e-05]]}