For k = 4

After 400 iterations, the optimal added points obtained by BA sampler are

The maximum of P_eff value is 0.7673.

For k = 4, the tendencies of rotation angles for 400 × 10 = 4000 steps.

For k = 4, the determinants of X^’X for 400 × 10 × 6 = 24000 steps.