Dual Sets of Envelopes and Characteristic Regions of Quasi-polynomials pdf epub mobi txt 电子书下载 2024

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Cheng, Sui Sun/ Lin, Yi-zhong

2009-5

236

$ 92.00

9789814277273

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发表于2024-09-22

Dual Sets of Envelopes and Characteristic Regions of Quasi-polynomials epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

Dual Sets of Envelopes and Characteristic Regions of Quasi-polynomials pdf epub mobi txt 电子书下载 2024

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Existence and nonexistence of roots of functions involving one or more parameters has been the subject of numerous investigations. For a wide class of functions called quasi-polynomials, the above problems can be transformed into the existence and nonexistence of tangents of the envelope curves associated with the functions under investigation.

In this book, we present a formal theory of the Cheng-Lin envelope method, which is completely new, yet simple and precise. This method is both simple since only basic Calculus concepts are needed for understanding -- and precise, since necessary and sufficient conditions can be obtained for functions such as polynomials containing more than four parameters.

Since the underlying principles are relatively simple, this book is useful to college students who want to see immediate applications of what they learn in Calculus; to graduate students who want to do research in functional equations; and to researchers who want references on roots of quasi-polynomials encountered in the theory of difference and differential equations.

Dual Sets of Envelopes and Characteristic Regions of Quasi-polynomials 下载 mobi epub pdf txt 电子书