Research Article

Multigrid Discretization and Iterative Algorithm for Mixed Variational Formulation of the Eigenvalue Problem of Electric Field

Table 1

The results on the square by Scheme 1 ( - element) for the eigenvalue problem of electric field ( ).


1 1.00000012807501.00000012807483 248.41 248.41
1 1.00000000803551.0000000080350114.9414.94
1 1.0000000005034014.96
3 2.0000017958515 2.00000179585163245.62 245.62
3 2.00000011261652.0000001126176114.9514.95
3 2.0000000070484014.98
4 4.0000081820714 4.00000818207150 242.08 242.08
4 4.00000051400354.0000005140038514.9214.92
4 4.0000000321950014.97