MSPAI: Difference between revisions
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= Modified Sparse Approximate Inverses = | = Modified Sparse Approximate Inverses -- UNDER CONSTRUCTION!!! = | ||
Based upon the well-known sparse approximate inverse preconditioner [http://www.computational.unibas.ch/software/spai/ SPAI], we developed the ''modified sparse approximate inverse (MSPAI)'' preconditioner. | Based upon the well-known sparse approximate inverse preconditioner [http://www.computational.unibas.ch/software/spai/ SPAI], we developed the ''modified sparse approximate inverse (MSPAI)'' preconditioner. | ||
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== Theory == | == 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'' | MSPAI is a preconditioner for large sparse and ill-conditioned systems of linear equations. We extended the basic SPAI minimization [[Image:spai.jpg]] to target form and further generalized it in order to add additional ''probing constraints'' | ||
[[Image:mspai.jpg]] | [[Image:mspai.jpg]] | ||
Revision as of 12:58, 4 August 2008
Modified Sparse Approximate Inverses -- UNDER CONSTRUCTION!!!
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 Error creating thumbnail: Unable to save thumbnail to destination to target form and further generalized it in order to add additional probing constraints
Error creating thumbnail: Unable to save thumbnail to destination
Implementation and Features
Download
References
under construction -- more information about MSPAI implementation and download will be available soon.