{"coeffs": [-7.738402335464819e-08, 0.03200397086229027, 1.2747294502950999, 0.0757684151449086], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.4327338788851065e-08, 12.473797638128584, 29.40757168137366, 0.003373298565529759], "covariance": [[2.052726367705163e-16, -7.978169338610612e-08, -1.8814487535258606e-07, -2.7286936134061723e-11], [-7.978169338383723e-08, 155.59562751698223, 366.82408224458703, 0.04020743124874711], [-1.8814487535065594e-07, 366.8240822445883, 864.8052721951301, 0.09479953852918017], [-2.7286936133518427e-11, 0.040207431248896544, 0.09479953852952303, 1.1379143212205132e-05]]}