{"coeffs": [-1.3512931938317828e-08, 0.17387633161171845, 1.2390019483589358, 0.060891073790953196], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.441792217231067e-08, 509.7108299296934, 179.08563436829948, 0.004539394131698291], "covariance": [[5.96234923213021e-16, -4.793932456421124e-06, -1.6844680889670653e-06, -5.434797007114213e-11], [-4.793932463159444e-06, 259805.1301476168, 91281.8870750714, 2.2180260079529215], [-1.684468091185314e-06, 91281.8870750628, 32071.664437096253, 0.7793149469700478], [-5.434797011256791e-11, 2.2180260071107902, 0.7793149466746265, 2.0606099082896878e-05]]}