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  BPKIT2 BPKIT is a package of block preconditioners, that is, factorisation preconditioners that treat the matrix first on a subblock level, then recursively factor the blocks on the element level. One of the selling points of BPKIT is the object-oriented approach to this two-level factorsation.

Victor Eijkhout
Mon Aug 25 17:46:10 PDT 1997