Comparison of Algebraic Multigrid Preconditioners for Solving Helmholtz Equations

Table 1

Discretization steps related to wavenumbers.

𝑘	10	20	30	40	50	60	70	80	90
ℎ	1/16	1/32	1/48	1/64	1/80	1/96	1/112	1/128	1/144