{"coeffs": [-1.481410973795347e-06, -1.602917158528605e-08, -0.267010664819671, 0.08093497833201146], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.484804200215876e-08, 2.9053024903304334e-08, 0.013727499884156552, 0.01161354557291917], "covariance": [[5.6022293915569216e-15, -6.298268225381136e-16, 7.837375510045038e-10, -6.518282030753057e-10], [-6.298268225381137e-16, 8.440782560320218e-16, 3.927856902192281e-11, 1.7396475163828347e-10], [7.837375510045039e-10, 3.92785690219228e-11, 0.00018844425306951815, -7.496348371118308e-05], [-6.518282030753058e-10, 1.7396475163828352e-10, -7.496348371118307e-05, 0.00013487444077427043]]}