{"coeffs": [-4.889352472134547e-07, -2.065540883206685e-08, -0.09001410610190493, 0.0487902010094758], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.563779071640895e-08, 5.777290081672045e-08, 0.04180509665760024, 0.036654044430702123], "covariance": [[3.0955637558029222e-15, -3.6780362254444543e-16, 8.522626663379266e-10, -8.380771856671579e-10], [-3.678036225444453e-16, 3.3377080687786184e-15, 9.283428515572573e-10, 8.966584233007295e-10], [8.522626663379266e-10, 9.283428515572573e-10, 0.0017476661065512983, 1.875540307856396e-05], [-8.380771856671578e-10, 8.966584233007295e-10, 1.8755403078564e-05, 0.0013435189731278853]]}