{"coeffs": [3.467279745582338e-07, 0.798382353430379, 1.6787254749867597, 0.10934020234105765], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.12159713572801e-07, 2652.507455082147, 365.0240486968558, 0.015157636760181415], "covariance": [[2.623075722069735e-13, -0.0008031825623251636, -0.00011054101797640254, -5.582714664435261e-09], [-0.0008031825625897562, 7035795.799266366, 968229.0036771263, 38.451578144592624], [-0.00011054101801233972, 968229.0036770833, 133242.55612704455, 5.291693839896756], [-5.582714665369838e-09, 38.45157814019667, 5.291693839294579, 0.00022975395215360295]]}