{"coeffs": [-0.4556729180924656, -0.1111697641074466, 4.142145939736572, 0.059346947760523905], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.0621266570852452e-07, 0.0, 0.0, 0.0], "covariance": [[0.010073422223470754, 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]]}