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Partial and Local Argument Properties of Holomorphic and Meromorphic Complex Functions in Several Variables

机译:几个变量中的核心和亚纯复杂功能的部分和局部参数属性

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摘要

The study describes a general argument analysis technique for holomorphic and meromorphic complex functions in several variables, or simply n-variable complex functions with n = 2. Argument analytic relationships for n-variable complex functions with significance similar to the argument principle for one-variable ones are retrieved partially and locally. More precisely, argument analysis in n-variable complex functions is carried out one-by-one in terms of each and all variables, namely, partially, so that argument-principle-like relations are established in poly-disc neighborhoods of the variable domains, namely locally. The technique is applicable graphically with loci plotting, independent of Cauchy integral contour and locus orientations; it is also numerically tractable without loci plotting via argument incremental integration. Numerical examples are included to illustrate the main results.
机译:该研究描述了几个变量中的套子和亚纯复杂功能的一般参数分析技术,或者与n> = 2的简单n可变复杂函数。用于n可变复杂函数的参数分析关系,其具有类似于一个 - 参数原理的重要性可变的是部分和本地检索。更精确地,在每个和所有变量的术语中逐一执行n变量复杂函数的参数分析,即部分,部分地,以便在可变域的多光盘邻域中建立参数 - 原则关系,即在本地。该技术用基因座绘图,独立于Cauchy积分轮廓和基因座方向来适用。在没有参数增量集成的情况下,它也是在数值讲的。包括数值例子以说明主要结果。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第17期|7971495.1-7971495.10|共10页
  • 作者

    Zhou Jun; Duan Zhaoxia;

  • 作者单位

    Hohai Univ Sch Energy & Elect Engn Nanjing 211100 Jiangsu Peoples R China;

    Hohai Univ Sch Energy & Elect Engn Nanjing 211100 Jiangsu Peoples R China;

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  • 正文语种 eng
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