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Results tagged with linear-algebra
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user 22702
Questions about the properties of vector spaces and linear transformations, including linear systems in general.
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Bandwidth reduction of multiple matrices
Suppose I have a symmetric matrix $A$ and several diagonal matrices $D_1,D_2,\dots$. Are there any matrix transformations such as $P^\top A P$ so that
$$P^\top A P, P^\top D_1 P, P^\top D_2 P, \dot …
