English

Improved Cauchy radius for scalar and matrix polynomials

Classical Analysis and ODEs 2017-09-12 v1 Numerical Analysis

Abstract

We improve the Cauchy radius of both scalar and matrix polynomials, which is an upper bound on the moduli of the zeros and eigenvalues, respectively, by using appropriate polynomial multipliers.

Keywords

Cite

@article{arxiv.1709.03040,
  title  = {Improved Cauchy radius for scalar and matrix polynomials},
  author = {A. Melman},
  journal= {arXiv preprint arXiv:1709.03040},
  year   = {2017}
}

Comments

12 pages

R2 v1 2026-06-22T21:38:07.564Z