{"coeffs": [-2.209185981084784e-06, 5.3187509040593935e-05, 0.3970641201688352, 0.17099891116763516], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.326957572922188e-07, 9.144730810814784e-07, 0.0052929639133916795, 0.003881354543974988], "covariance": [[5.41473154617992e-14, -1.6376471179239727e-13, -7.550151886999059e-10, -8.168403540733575e-10], [-1.6376471179239714e-13, 8.362610160226522e-13, 4.694680998651239e-09, 3.342391094738207e-09], [-7.550151886999046e-10, 4.6946809986512374e-09, 2.8015466988466558e-05, 1.7685381566755552e-05], [-8.16840354073357e-10, 3.342391094738208e-09, 1.768538156675557e-05, 1.5064913096035287e-05]]}