Estimated Bounds for Zeros of Polynomials from Traces of Graeffe Matrices

• 作者: Maimouna Salou Morou Amidou Ousmane Moussa Tessa
• 来源期刊: 线性代数与矩阵理论研究进展(英文)
• 学科: 数学
• 关键词: Graeffe MATRICES Numerical Approximation of EIGENVALUES Dandelin-Graeffe’s Method BOUNDS of ZEROS of POLYNOMIAL
• 年，卷（期）: 2014,（4）
• 页码范围: 210-215
• 页数: 6页
• 分类号: O1

摘要

In this paper, we combine Graeffe matrices with the classical numerical method of Dandelin-Graeffe to estimate bounds for the moduli of the zeros of polynomials. Furthermore, we give some examples showing significant gain for the convergence towards the polynomials dominant zeros moduli.