{"coeffs": [-2.7567089487214993e-06, 0.022661191492315852, 2.7139019752251046, 0.3148198271612113], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [9.495439006552287e-07, 3.0502257653609983, 42.95161701752568, 0.05241308306090852], "covariance": [[9.016336192715468e-13, -2.695908789149709e-06, -3.7980872407201045e-05, -4.8591289154306915e-08], [-2.695908789066296e-06, 9.303877219672088, 131.01201280840436, 0.15752105602725003], [-3.7980872406028805e-05, 131.01201280841846, 1844.8414044202011, 2.2186352943285246], [-4.859128915353837e-08, 0.15752105602946953, 2.21863529435954, 0.0027471312759496957]]}