Research Article

Accelerated Circulant and Skew Circulant Splitting Methods for Hermitian Positive Definite Toeplitz Systems

Table 5

Numerical results of 2D examples.

Sequence (a) Sequence (b)Sequence (c)
CG ACSCS CSCS CGACSCS CSCS CG ACSCS CSCS

8 15 35 42 15 30 36 10 17 19
16 28 50 57 27 43 49 16 25 28
32 37 60 65 35 51 56 23 34 37
64 45 64 68 41 54 58 30 41 44
128 49 63 66 46 54 56 37 46 49