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math.NA2019
Krylov type methods exploiting the quadratic numerical range
Andreas Frommer, Birgit Jacob, Karsten Kahl +2
The quadratic numerical range is a subset of the standard numerical range of a linear operator which still contains its spectrum. It arises naturally in operators which ha…
math.NA2019★ 2 cited
Cross product-free matrix pencils for computing generalized singular values
Ian N. Zwaan
It is well known that the generalized (or quotient) singular values of a matrix pair can be obtained from the generalized eigenvalues of a matrix pencil consisting of two…