Modified Gershgorin Disks for Companion Matrices
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Publication:2902839
DOI10.1137/100797667zbMath1253.15029OpenAlexW2081510523MaRDI QIDQ2902839
Publication date: 22 August 2012
Published in: SIAM Review (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1137/100797667
Inequalities involving eigenvalues and eigenvectors (15A42) Eigenvalues, singular values, and eigenvectors (15A18) Polynomials in real and complex fields: location of zeros (algebraic theorems) (12D10) Numerical computation of roots of polynomial equations (65H04)
Related Items (7)
Bounds on polynomial roots using intercyclic companion matrices ⋮ The Coefficients of the FOM and GMRES Residual Polynomials ⋮ Inclusion disks for polynomial zeros in generalized bases ⋮ New bounds for roots of polynomials based on Fiedler companion matrices ⋮ New regions including eigenvalues of Toeplitz matrices ⋮ Non-sparse Companion Matrices ⋮ An eigenvalue inclusion set for matrices with a constant main diagonal entry
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