#iters  w_x   w_y b  b
 1      0.427 0.904 1.749
 2      0.566 0.824 1.445
 3      0.654 0.756 1.213
 4      0.654 0.756 1.213
 5      0.654 0.756 1.213
 7      0.654 0.756 1.213
 6      0.654 0.756 1.213
 8      0.654 0.756 1.213
 9      0.654 0.756 1.213
10      0.654 0.756 1.213