New Preconditioners with Two Variable Relaxation Parameters for the Discretized Time-Harmonic Maxwell Equations in Mixed Form

Table 1

Values of matrix size of the linear system for five meshes.

Mesh	n	m	n + m
8×8	176	49	225
16×16	736	225	961
32×32	3008	961	3969
64×64	12160	3969	16129
128×128	48896	16129	65025