{"coeffs": [-2.8365418707728036e-05, 1.771293528142494e-05, -0.9737927743559631, 1.5512691464504955], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.0011336687926611427, 0.00029107145299161975, 55.32663574840716, 39.25991472228738], "covariance": [[1.285204931453773e-06, -3.2695464368186074e-07, 0.06267130485251622, -0.04440600050208927], [-3.269546436811882e-07, 8.472259074665269e-08, -0.01585632999516501, 0.011400559580095245], [0.0626713048525542, -0.015856329995207464, 3061.0366232369256, -2159.6001695242358], [-0.0444060005020442, 0.011400559580107019, -2159.6001695207256, 1541.3409040012773]]}