{"coeffs": [1.7733112998274416e-09, 9.078322232236589e-07, 0.9717637493292367, 0.09409372282506619], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.4003304118465234e-09, 2.5087693999108588e-08, 0.0055034914169058945, 0.002094251154587593], "covariance": [[1.9609252623422536e-18, -1.8105795991819537e-17, -3.650907426152547e-12, -1.960632099990048e-12], [-1.8105795991819528e-17, 6.293923901929092e-16, 1.3708059079805351e-10, 4.8549034370992464e-11], [-3.650907426152545e-12, 1.3708059079805351e-10, 3.0288417775956847e-05, 1.0621692748166545e-05], [-1.960632099990047e-12, 4.8549034370992464e-11, 1.0621692748166545e-05, 4.385887898491465e-06]]}