{"coeffs": [-0.39381343690487963, -0.26097180461881175, 7.56207794397843, 0.24108619366937278], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.835416165115949e-08, 0.0, 0.0, 0.0], "covariance": [[0.010682924726951764, 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]]}