On relation between the power mean and the logarithmic mean

碩士 === 淡江大學 === 數學學系碩士班 === 94 === If x , y are distinct positive numbers, then Mp= Mp (x , y) is called the power mean of x and y . L = L (x , y) is called the Logarithmic mean of x and y . Chang[2]has proved that : If L < Mq holds for some q such that q<1/3 ,as well as Mp < L holds for...

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Bibliographic Details
Main Authors: Hsuan-Chen Lee, 李玄楨
Other Authors: Gou-sheng Yang
Format: Others
Language:zh-TW
Published: 2004
Online Access:http://ndltd.ncl.edu.tw/handle/77822405531767593642
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Summary:碩士 === 淡江大學 === 數學學系碩士班 === 94 === If x , y are distinct positive numbers, then Mp= Mp (x , y) is called the power mean of x and y . L = L (x , y) is called the Logarithmic mean of x and y . Chang[2]has proved that : If L < Mq holds for some q such that q<1/3 ,as well as Mp < L holds for some p such that p>0 under certain restrictions on x and y 。. We shall prove that L < Mq holds for some q such that q <1/6 , as well as L > Mp holds for some p such that p > 0 under certain restrictions on x and y .