Table 1 Choices of matrix Q for Example 4.1
From: Some generalizations of the new SOR-like method for solving symmetric saddle-point problems
| Â | Matrix Q | Description |
|---|---|---|
Case I | \(B^{T}\hat{A}^{-1}B\) | Â = diag(A) |
Case II | \(B^{T}\hat{A}^{-1}B\) | Â = tridiag(A) |