{"coeffs": [-1.9338205939151052e-06, 0.08975334721422051, 2.216268804654288, 0.20922417177511698], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.3007820907153355e-06, 89.76064090255352, 212.0408089001983, 0.08192923852983205], "covariance": [[5.2935982289564305e-12, -0.00017552061764667662, -0.0004147775096354014, -1.7584645906639237e-07], [-0.00017552061765391494, 8056.972655237163, 19032.914705431172, 7.160016934744847], [-0.00041477750965256084, 19032.914705430227, 44961.30463905042, 16.916674499837182], [-1.7584645907049926e-07, 7.160016934619182, 16.91667449954067, 0.006712400126078118]]}