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Results tagged with matrix-theory
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user 32539
Matrix theory is the study of matrices as concrete objects, rather than as abstract linear operators between vector spaces (whose study belongs to linear algebra). For instance, this involves matrix factorizations and decompositions, nonnegative matrices and Perron-Frobenius theory, Schur complements, structured and special matrices, matrix functions and equations.
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A short question about the DFT matrix
Is the DFT matrix the unique* unitary matrix with all entries of same magnitude?
(*up to some trivial transformations)
