{"coeffs": [-1.3052285750878622e-07, 0.048785873747076956, 1.280737843333919, 0.08127329539002541], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.7461356376269976e-08, 8.050873179688526, 13.487587708421827, 0.002600577828420093], "covariance": [[7.541260940245037e-16, -1.0394368587943564e-07, -1.7421632962884097e-07, -4.225806345696492e-11], [-1.039436858846871e-07, 64.81655895542805, 108.5868462139215, 0.01999645207860215], [-1.742163296380968e-07, 108.58684621391873, 181.91502219237157, 0.033504816941065996], [-4.225806345796302e-11, 0.019996452078265736, 0.033504816940502655, 6.763005041670168e-06]]}