Research Article
Accelerated Circulant and Skew Circulant Splitting Methods for Hermitian Positive Definite Toeplitz Systems
Table 1
Numerical results of Example
5.1.
| | | | IT | CPU | CG | CSCS | ACSCS | CG | CSCS | ACSCS |
| 16 | 0.4183 | 0.5825 | 8 | 35 | 37 | 0.0077 | 0.0101 | 0.0095 | 32 | 0.4801 | 0.5199 | 20 | 39 | 39 | 0.0085 | 0.0106 | 0.0100 | 64 | 0.4951 | 0.5049 | 37 | 40 | 39 | 0.0098 | 0.0108 | 0.0106 | 128 | 0.4988 | 0.5012 | 55 | 40 | 40 | 0.0108 | 0.0115 | 0.0128 | 256 | 0.4997 | 0.5003 | 67 | 40 | 40 | 0.0138 | 0.0142 | 0.0144 | 512 | 0.4991 | 0.5001 | 70 | 40 | 40 | 0.0189 | 0.0203 | 0.0205 | 1024 | 0.5000 | 0.5000 | 71 | 40 | 40 | 0.0283 | 0.0316 | 0.0292 |
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