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函数的幂加权平均值

Weighted Power Means of Functions and Their Applications

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【作者】 余彩玉王石安

【Author】 Yu Caiyu; Wang Shi’ an (Science of College, South China Agric. Univ., Guangzhou, 510642)

【机构】 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,研究了函数幂加权平均值的性质及其关于其幂指数的函数特性(如对数凸性及单调性).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不等式及算术-几何不等式的加细的结果.

【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.

  • 【文献出处】 华南农业大学学报 ,JOURNAL OF SOUTH CHINA AGRICULTURAL UNIVERSITY , 编辑部邮箱 ,1999年02期
  • 【分类号】O174
  • 【被引频次】4
  • 【下载频次】100
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