{"coeffs": [-0.46172844062137386, -0.202328739207031, 4.005228735524819, 0.029070419998700636], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.1965385550275995e-07, 0.0, 0.0, 0.0], "covariance": [[0.01386284357317601, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0]]}