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Table 2.
Iterations to convergence for the Richardson, GMRES, CGS, and BICGSTAB methods with no preconditioner for the DELO-linear formal solver, with Nμ = Nν = 20, and varying Ns.
| Ns | 20 | 40 | 60 | 80 | 100 | 120 | 140 |
|---|---|---|---|---|---|---|---|
| Richardson | – | – | – | – | – | – | – |
| GMRES | 28 | 48 | 68 | 87 | 104 | 120 | 134 |
| BICGSTAB | 26 | 58 | 93 | 100 | 121 | 132 | 140 |
| CGS | 27 | 54 | 82 | 92 | 106 | 113 | 140 |
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