{"coeffs": [-9.408035157816544e-07, 0.4021661830688762, 2.004281317992655, 0.1625684955601394], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.242883640255516e-07, 73.06569954554712, 29.66012428248617, 0.004292620776247721], "covariance": [[5.030527023725835e-14, -1.2549994791978972e-05, -5.095589160396514e-06, -8.410663046656047e-10], [-1.2549994793493364e-05, 5338.596450080165, 2167.1376179081553, 0.30283512681881025], [-5.095589161023774e-06, 2167.1376179080276, 879.7229724525256, 0.12294281100844524], [-8.410663047184773e-10, 0.30283512680381475, 0.12294281100236658, 1.8426593128673586e-05]]}