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Results tagged with matrices
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user 8750
Questions where the notion matrix has an important or crucial role (for the latter, note the tag matrix-theory for potential use). Matrices appear in various parts of mathematics, and this tag is typically combined with other tags to make the general subject clear, such as an appropriate top-level tag ra.rings-and-algebras, co.combinatorics, etc. and other tags that might be applicable. There are also several more specialized tags concerning matrices.
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Simultaneously orthogonally transform two SPD matrices to tridiagonal form?
I am aware of non-orthogonal congruence transformations which tridiagonalize two matrices.
Thanks!
Edit:
Thanks for the response. … In one paper they use alternating 1D Householder reflectors and matrices of the form $L=I+xy^\top$ to force portions of the leading columns to be in the same space. …
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