{"coeffs": [-7.498710134827831e-06, 0.00014208074721202126, 0.5267835906778939, 0.2110657045793777], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6279124158525426e-06, 1.662605883020818e-05, 0.04219799851540986, 0.022875669619126203], "covariance": [[6.905923665391948e-12, -3.735962297585862e-11, -8.945436205068605e-08, -5.691653713740392e-08], [-3.735962297585845e-11, 2.7642583222554343e-10, 6.979422976228278e-07, 3.6716042723072206e-07], [-8.945436205068562e-08, 6.979422976228275e-07, 0.0017806710787065326, 0.0009114761257276652], [-5.6916537137403786e-08, 3.6716042723072275e-07, 0.0009114761257276676, 0.0005232962605234135]]}