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  Laspack LASpack is an object-oriented package of iterative methods, iterative methods, multigrid solvers, and auxiliary routines for the iterative solution of linear systems. It does not run in parallel.

There are data structures for vectors, general and square matrices, and preconditioners; a large number of accessing and manipulating these objects is available.

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