{"coeffs": [-0.1333807087180382, 0.1316983900709244, 769.0346290350649, 21.867044328631373], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.3523617285019762e-07, 0.0, 0.0, 0.0], "covariance": [[0.012261580092638457, 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]]}