{"coeffs": [3.562255786486806e-07, 0.20764355529747483, 1.6699011150065568, 0.12947297783723885], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.798300561929307e-07, 184.45163185980246, 115.75800993310574, 0.023772283251079728], "covariance": [[9.600669390190419e-13, -0.00012080194045694605, -7.584048735015484e-05, -1.8445121447512632e-08], [-0.00012080194044676835, 34022.40449574409, 21351.751448185034, 4.20672984435223], [-7.58404873437044e-05, 21351.751448186096, 13399.916863673006, 2.640422323810125], [-1.8445121446762578e-08, 4.206729844482041, 2.6404223238911326, 0.0005651214509695658]]}