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Solving sparse linear systems: taking the direct approach

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1 Author(s)

In this paper, we explore the importance of ordering when solving large, sparse systems of linear equations. Examples are drawn from the solution of partial differential equations; such problems are a prime source of such linear systems. Nothing that we do is specific to these problems, however, and you might prefer to work with a matrix from a standard test set (for example, 'wathen' from Matlab's gallery function or a matrix from the Matrix Market at http://math.nist.gov/MatrixMarket/) or a matrix of particular interest in your work.

Published in:

Computing in Science & Engineering  (Volume:7 ,  Issue: 5 )