{"coeffs": [-1.3843941525196386e-07, 0.09675051363397877, 1.196384098897957, 0.06495509502042272], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.723748707574074e-08, 56.1265802651528, 37.83793099036023, 0.003483761028693422], "covariance": [[1.3866304437159582e-15, -8.385698306802017e-07, -5.654648981922731e-07, -6.62310439239752e-11], [-8.385698311712497e-07, 3150.1930122606404, 2123.7136111191894, 0.18720776724099297], [-5.654648985256283e-07, 2123.71361111891, 1431.709021631263, 0.12621577850963395], [-6.623104394492606e-11, 0.18720776720966475, 0.12621577848854465, 1.213659090504305e-05]]}