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函数的幂加权平均值
引用本文:余彩玉,王石安.函数的幂加权平均值[J].华南农业大学学报,1999,20(2):109-113.
作者姓名:余彩玉  王石安
作者单位:华南农业大学理学院,广州,510642
摘    要:利用函数的同序和反序概念,研究了函数害虫加权平均值的性质及其关于其幂指数的函数特性(如对数凸性单调性).作为应用,引进了一个新的平均值,比较了Holder平均值和Stolarsky平均值.同时得到Ostle-Terwilliger不等式及自述-几何不等式的加细的结果。

关 键 词:幂加权平均值  同序  反序  不等式

Weighted Power Means of Functions and Their Applications
Yu Caiyu,Wang Shi''an.Weighted Power Means of Functions and Their Applications[J].Journal of South China Agricultural University,1999,20(2):109-113.
Authors:Yu Caiyu  Wang Shi'an
Abstract:By means of the concepts of the same order and the oppoite order between functions, studiedthe properties of weighted powr means of functions and their functional characteristics such as the loga-rithmic convexity and monotony when they are considered as functions of their power exponents. As appli-cations a new mean was introduced, comparisons between the so-called Holder's means and the Sto-larsky's means were made, and results of the refinements of the Ostle-Tewlliger inequality and of thearithmtic-geometric mean inequality were obtained.
Keywords:weighted powere means of functions  same order  opposite order  inequalies  
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