{"coeffs": [-0.45991598455739147, -0.21334021290106536, 4.476903865728987, 0.09681209918112488], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.195092861347169e-08, 0.0, 0.0, 0.0], "covariance": [[0.006861028319941697, 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]]}