MSPAI
Modified Sparse Approximate Inverses
Based upon the well-known sparse approximate inverse preconditioner SPAI, we developed the modified sparse approximate inverse (MSPAI) preconditioner.
Theory
MSPAI is a preconditioner for large sparse and ill-conditioned systems of linear equations. We extended the basic SPAI minimization to target form and further generalized it in order to add additional probing constraints
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Implementation and Features
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References
under construction -- more information about MSPAI implementation and download will be available soon.