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![Wolfram Library Archive](/images/database/subheader.gif)
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![](/common/images/spacer.gif) Generalized Upper Triangular Decomposition
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![](/common/images/spacer.gif) 2010-04-13
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![](/common/images/spacer.gif) A package for computing the generalized upper triangular decomposition of a matrix pencil A-zB as defined in (1). More information available at: http://www.cs.umu.se/~guptri (1) J.Demmel and B. Kagstrom, "Stably Computing the Kronecker Structure and Reducing Subspaces of Singular Pencils A-zB for Uncertain Data", "Large Scale Eigenvalue Problems", J. Cullum and R. A. Willoughby eds., pp. 283-323, Elsevier, Amsterdam, 1986.
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![](/common/images/spacer.gif) GUPTRI, generalized eigenproblem, matrix pencil, singular matrix pencil, eigenvalue, reducing subspace, deflating subspace, linear algebra
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![](/common/images/spacer.gif) http://www.cs.umu.se/~guptri
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