{"coeffs": [-8.240058954405276e-07, 0.0001364590386761372, 1.1083409305228296, 0.23179146978319531], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3207123766124278e-06, 0.0013504269646727883, 2.979296680278711, 0.22313918410187925], "covariance": [[5.3857059349621034e-12, -2.745772016502379e-09, -6.144809711003266e-06, -4.917793909905589e-07], [-2.7457720165023714e-09, 1.8236529869153603e-06, 0.004021170661555009, 0.00029412455902151993], [-6.144809711003289e-06, 0.004021170661555009, 8.876208709119748, 0.6532012979867842], [-4.917793909905583e-07, 0.00029412455902152, 0.6532012979867843, 0.049791095481652364]]}