{"coeffs": [-0.19524932649386134, -0.02826469238712479, 2157.806305609421, 0.08763128896858063], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.3360928648185254e-08, 0.0, 0.0, 0.0], "covariance": [[0.0076532601673343715, 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]]}