{"coeffs": [-6.906875981298175e-08, 2.889641351043589e-05, 0.6974677998207429, 0.0912293574036326], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.333828122144902e-08, 1.2273230357241348e-05, 0.057236775751492816, 0.006643536558427225], "covariance": [[1.1114409948004204e-15, -1.9778754875849415e-13, -9.569680545642205e-10, -1.3613905531960236e-10], [-1.9778754875849324e-13, 1.5063218340191057e-10, 7.01300380928785e-07, 7.718590737332853e-08], [-9.569680545642203e-10, 7.013003809287852e-07, 0.0032760484984266764, 0.00036597799170387226], [-1.3613905531960143e-10, 7.718590737332853e-08, 0.0003659779917038722, 4.4136578003159053e-05]]}