{"coeffs": [-4.38175417005056e-06, 0.2363801719816534, 2.1853307416201835, 0.20740286652472306], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.460537041977236e-06, 150.231656784959, 133.2770398222508, 0.05554776687074077], "covariance": [[1.989639070285103e-11, -0.0005678085131814931, -0.0005039203944036855, -2.3074023499883678e-07], [-0.000567808513249998, 22569.55070035372, 20022.425411192948, 8.122387657219539], [-0.0005039203944640064, 20022.425411189786, 17762.769343781823, 7.20693192518528], [-2.307402350124605e-07, 8.122387656796175, 7.206931924811114, 0.0030855544043261658]]}