{"coeffs": [-8.344453964027746e-06, 0.00015168926591406788, 0.6322080393268873, 0.2719062649911509], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5617819193185462e-06, 2.0550400501114723e-05, 0.06142183996994647, 0.022242786205927293], "covariance": [[2.439162763510322e-12, -2.8868092282342376e-11, -8.572334321897606e-08, -3.3539685497013255e-08], [-2.8868092282342037e-11, 4.223189607562163e-10, 1.261529411591975e-06, 4.464835802440428e-07], [-8.572334321897506e-08, 1.2615294115919752e-06, 0.0037726424252937135, 0.0013332150121126017], [-3.3539685497013056e-08, 4.464835802440454e-07, 0.001333215012112609, 0.0004947415382025895]]}