{"coeffs": [6.683429417038235e-08, 0.5527521235483841, 1.558136540802652, 0.09372560961261886], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.3251979130285714e-07, 1503.676958074097, 255.93029534544667, 0.007567395926430249], "covariance": [[1.7561495086952814e-14, -0.00010456107272782118, -1.779807419728261e-05, -6.530413502540819e-10], [-0.00010456107269096646, 2261044.39424297, 384836.48648147885, 10.867794741220509], [-1.779807419056685e-05, 384836.48648149264, 65500.31607560755, 1.849781681499328], [-6.530413501276754e-10, 10.867794742590847, 1.8497816817329669, 5.7265481107353116e-05]]}