{"coeffs": [-3.952873084138211e-07, 4.7894666668563376e-09, -0.06688064636356225, 0.07401593413085154], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.077924473336948e-08, 7.147473282227997e-08, 0.06533617388106001, 0.059879774497268494], "covariance": [[3.694116590358821e-15, -1.006046979716159e-15, 1.490118031094313e-09, -1.975872007254008e-09], [-1.0060469797161586e-15, 5.108637432016306e-15, 2.260880446773666e-09, 2.5335361189810955e-09], [1.4901180310943138e-09, 2.2608804467736655e-09, 0.004268815617416108, 0.0003034192273817955], [-1.9758720072540075e-09, 2.533536118981096e-09, 0.00030341922738179577, 0.003585587393843726]]}