From: Iterative algorithm for the reflexive solutions of the generalized Sylvester matrix equation
Number of iterations k
Norm of the corresponding residual ‖R‖
26
2.9491 × 10‐7
27
6.3498 × 10‐7
28
2.5150 × 10‐9
29
5.0896 × 10‐11
30
2.7365 × 10‐11