{"coeffs": [-2.2215920371372382e-06, 1.2036461408465388e-05, 0.40520721496285816, 0.3497143186455251], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.9538376783201287e-07, 9.774151414596316e-07, 0.031614958546378906, 0.03347784220712283], "covariance": [[1.5632832386503908e-13, -3.624341344635087e-13, -1.0463464002889919e-08, -1.3002477164774667e-08], [-3.624341344635096e-13, 9.553403587545515e-13, 3.011397293676205e-08, 3.219670232669622e-08], [-1.0463464002889972e-08, 3.011397293676211e-08, 0.0009995056038892567, 0.0009756150470902826], [-1.3002477164774685e-08, 3.2196702326696185e-08, 0.0009756150470902795, 0.0011207659188450145]]}