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Table 5.

Same as Table 2, but for the SSOR preconditioner.

Ns 20 40 60 80 100 120 140
Richardson 18 20 26 33 39 45 50
GMRES 7 9 11 13 14 16 17
BICGSTAB 4 5 6 7 8 9 10
CGS 5 7 8 9 10 11 12

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