petsc-3.7.7 2017-09-25
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Use the Sparse Approximate Inverse method of Grote and Barnard as a preconditioner (SIAM J. Sci. Comput.; vol 18, nr 3)

Options Database Keys

-pc_spai_epsilon <eps> - set tolerance
-pc_spai_nbstep <n> - set nbsteps
-pc_spai_max <m> - set max
-pc_spai_max_new <m> - set maxnew
-pc_spai_block_size <n> - set block size
-pc_spai_cache_size <n> - set cache size
-pc_spai_sp <m> - set sp
-pc_spai_set_verbose <true,false> - verbose output

Notes: This only works with AIJ matrices.

See Also

PCCreate(), PCSetType(), PCType (for list of available types), PC,
PCSPAISetEpsilon(), PCSPAISetMax(), PCSPAISetMaxNew(), PCSPAISetBlockSize(), PCSPAISetVerbose(), PCSPAISetSp()

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages