{"coeffs": [-7.630286949286688e-07, 7.094168440031582e-05, 0.4715087636873163, 0.12463255304063754], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.158989341631755e-07, 1.9835227040012705e-06, 0.007283941228504901, 0.00354752177202296], "covariance": [[4.661234977279519e-14, -2.6534163932030085e-13, -8.49453215103952e-10, -5.992215255691568e-10], [-2.6534163932030085e-13, 3.934362317288512e-12, 1.4268760725427453e-08, 6.494081954790689e-09], [-8.494532151039527e-10, 1.4268760725427453e-08, 5.305579982031349e-05, 2.3219424596668344e-05], [-5.992215255691566e-10, 6.494081954790689e-09, 2.3219424596668344e-05, 1.2584910722976921e-05]]}