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Hierarchical Matrices: Algorithms and Analysis
Springer Series in Computational Mathematics
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Līdz Wolfgang Hackbusch
Apraksts
The new technique enables not only the solution of linear systems but also the approximation of matrix functions, e.g., the matrix exponential. However, the technique of hierarchical matrices makes it possible to store matrices and to perform matrix operations approximately with almost linear cost and a controllable degree of approximation error.
Hierarchical Matrices: Algorithms and Analysis