{"coeffs": [-4.564938834002093e-06, 5.702419680667372e-05, 0.43971816843220163, 0.14951820671491334], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9588168495684095e-06, 1.8293105689674537e-05, 0.08952507139380836, 0.05151217344393203], "covariance": [[8.754597149289927e-12, -3.8490941674665046e-11, -1.6092378244885178e-07, -1.311529434776093e-07], [-3.8490941674665046e-11, 3.346377157736029e-10, 1.6114430918135532e-06, 8.799678387957492e-07], [-1.6092378244885178e-07, 1.6114430918135532e-06, 0.008014738408066484, 0.004108204389901795], [-1.3115294347760928e-07, 8.799678387957493e-07, 0.004108204389901796, 0.0026535040129177364]]}