复系数多项式根的定位  

Locating Roots of Polynomials with Complex Coefficient

作　　者：栗文辉 王玉峰 李俊磊 LI Wenhui;WANG Yufeng;LI Junlei(Department of Basic, Zhengzhou University of Science and Technology, Zhengzhou 450064, China)

机构地区：[1]郑州科技学院基础部,河南郑州450064

出　　处：《河南教育学院学报（自然科学版）》2020年第3期15-18,共4页Journal of Henan Institute of Education(Natural Science Edition)

摘　　要：基于一类特殊实系数多项式根的有界性,研究了复系数多项式根的估计与定位,建立了一般复系数多项式根的更精确的估计,并通过具体的数值算例,验证了结论的有效性。Based on the boundedness of the roots of a class of special real coefficient polynomials,studied the estimation and location of the roots of polynomials with complex coefficients.Given more accurate estimates of the roots of general complex coefficient polynomials and used specific numerical example to further verify the validity of our conclusions.

关 键 词：多项式 复系数 根估计 定位 数值算例 

分 类 号：O174.14[理学—数学]