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Table 1 Left-right swapping vs row balancing: comparison of powers and condition numbers

From: A robust LU polynomial matrix decomposition for spatial multiplexing

MIMO Post-filter power Post-filter condition number
  S(z) V(z)−1 S(z) V(z)−1
3×3 1.732 2.8 14 3
4×4 2.000 6.3 56 14
5×5 2.236 10.1 156 23
6×6 2.449 22.4 400 51
7×7 2.646 42.2 4648 287
8×8 2.828 76.1 9382 520
9×9 3.000 120 35,463 927
10×10 3.162 180 135,843 3631
11×11 3.317 247 191,350 3671
12×12 3.464 424 385,776 21,104
13×13 3.605 593 908,480 32,509
14×14 3.742 955 1,177,939 39,579
15×15 3.873 1733 809,090 65,055