{"coeffs": [-2.036406429995745e-09, 0.5250994713350634, 1.409010046704877, 0.0723981659210239], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [9.04364854033378e-08, 7282.773267112821, 1007.1397187714243, 0.012216378261391067], "covariance": [[8.178757892108129e-15, -0.0002845101923354036, -3.934668862528133e-05, -6.051974581167003e-10], [-0.0002845101921272431, 53038786.46017315, 7334770.214528963, 85.04689744034073], [-3.9346688601280806e-05, 7334770.214529165, 1014330.4131269837, 11.76133476058545], [-6.051974579194829e-10, 85.04689745911958, 11.76133476315658, 0.0001492398978253882]]}