{"coeffs": [-8.0543600231552e-07, 0.2890418470922007, 1.8692170619507795, 0.1530225572396485], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.35813487195829e-07, 110.13216853127474, 58.70660040807981, 0.011880945126433616], "covariance": [[4.042587905001205e-13, -5.192249170912122e-05, -2.7685984831817364e-05, -6.453745876948996e-09], [-5.192249170685561e-05, 12129.094545401102, 6465.4845797374755, 1.2610231756766344], [-2.7685984830517467e-05, 6465.484579737664, 3446.4649314739563, 0.6722778451181203], [-6.453745876793355e-09, 1.2610231756997605, 0.6722778451304164, 0.00014115685709732668]]}