{"coeffs": [-2.9897557535725333e-06, 0.00018160636601389287, 0.5915227900036357, 0.16253770455397], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.901572138886571e-07, 1.0878688742616013e-05, 0.01808728830542695, 0.00648085472692361], "covariance": [[4.763169798825535e-13, -5.768390116021689e-12, -9.386921100623027e-09, -3.982146148641974e-09], [-5.768390116021669e-12, 1.1834586875872038e-10, 1.9632645162393943e-07, 6.721116224250763e-08], [-9.386921100622989e-09, 1.9632645162393943e-07, 0.00032714999824363456, 0.00011169300082756083], [-3.982146148641966e-09, 6.721116224250774e-08, 0.00011169300082756102, 4.20014779914881e-05]]}