A Parameterized Splitting Preconditioner for Generalized Saddle Point Problems

Table 14

Size and number of non-nil elements of the coefficient matrix generalized by using Q1-P0 FEM in steady Stokes problems.

Grid	dim(𝐴)	nnz(𝐴)	dim(𝐵)	nnz(𝐵)	nnz(𝐴+(1/𝛼)𝐵^𝑇𝐵)
16×16	578×578	3826	256×578	1800	7076
32×32	2178×2178	16818	1024×2178	7688	31874
64×64	8450×8450	70450	4096×8450	31752	136582
128×128	33282×33282	288306	16384×33282	129032	567192