Research Article
Accelerated Circulant and Skew Circulant Splitting Methods for Hermitian Positive Definite Toeplitz Systems
Table 2
Numerical results of Example
5.2.
| | | | IT | CPU | CG | CSCS | ACSCS | CG | CSCS | ACSCS |
| 16 | 0.4478 | 0.4177 | 12 | 8 | 8 | 0.0074 | 0.0079 | 0.0079 | 32 | 0.4419 | 0.4247 | 15 | 9 | 9 | 0.0076 | 0.0087 | 0.0084 | 64 | 0.4377 | 0.4292 | 17 | 10 | 10 | 0.0079 | 0.0090 | 0.0091 | 128 | 0.4355 | 0.4315 | 19 | 11 | 11 | 0.0083 | 0.0094 | 0.0093 | 256 | 0.4344 | 0.4325 | 20 | 12 | 12 | 0.0095 | 0.0106 | 0.0103 | 512 | 0.4339 | 0.4330 | 21 | 13 | 13 | 0.0101 | 0.0111 | 0.0111 | 1024 | 0.4337 | 0.4333 | 22 | 14 | 14 | 0.0148 | 0.0161 | 0.0150 |
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