{"coeffs": [-5.0228293291202935e-06, 0.0010756034857623239, 1.1618630121852562, 0.2440674277806775], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2732509593167527e-06, 0.0008595774890256433, 0.24997932285049035, 0.017404810190656612], "covariance": [[1.621168005401031e-12, -9.714881488779586e-10, -2.8618434711372733e-07, -2.1182894115040578e-08], [-9.714881488779578e-10, 7.388734596396299e-07, 0.00021477654203029436, 1.4629135064938324e-05], [-2.8618434711372966e-07, 0.0002147765420302944, 0.06248966185278969, 0.004279849825965277], [-2.118289411504065e-08, 1.462913506493832e-05, 0.004279849825965276, 0.0003029274177727843]]}