{"coeffs": [-1.2840309632587896e-08, 0.061605320333570655, 1.2384197732049413, 0.06496811248566539], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.5254453247244703e-08, 616.6419149614868, 648.746943422198, 0.017830897833034008], "covariance": [[1.2428764737621625e-15, -8.363205129237602e-06, -8.799388109852661e-06, -3.0925295419163606e-10], [-8.363205127989572e-06, 380247.2512873696, 400044.55621492, 10.52344867883783], [-8.799388108059366e-06, 400044.55621492566, 420872.59659964463, 11.071614834680828], [-3.0925295415738396e-10, 10.523448679400996, 11.07161483527423, 0.00031794091753209686]]}