{"coeffs": [-0.1875632240158334, 0.17970370635217192, 473.56738522475996, 4.450142841182572], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.7759402438912395e-08, 0.0, 0.0, 0.0], "covariance": [[0.006509055220764291, 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]]}