一组等差数列的不等式 |
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引用本文: | 续铁权. 一组等差数列的不等式[J]. 成都大学学报(自然科学版), 2003, 22(1): 30-32 |
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作者姓名: | 续铁权 |
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作者单位: | 青岛教育学院,山东,青岛,266071 |
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摘 要: | 若 {an}是等差数列 ,首项a1>0 ,公差d >0 ,s >0 ,记Pn= nk =1 (1+ sak) .本文给出了关于Pn 上、下界的一组不等式 .
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关 键 词: | 等差数列 不等式 凸函数 |
文章编号: | 1004-5422(2003)01-0030-03 |
A Class of Inequalities of Arithmetic Series |
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Abstract: | If{a n} is arithmetic series with the first term a 1>0 ,and the common difference d>0 and s>0, writing as p n=mk=1(1+sa k), this paper gives a class of inequalities of the upper and lower bound of p n. |
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Keywords: | arithmetic series inequality convex function |
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