正项级数的广义Cauchy判别法 |
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引用本文: | 殷承元. 正项级数的广义Cauchy判别法[J]. 高等数学研究, 2016, 0(3): 1-2. DOI: 10.3969/j.issn.1008-1399.2016.03.001 |
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作者姓名: | 殷承元 |
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作者单位: | 上海财经大学 数学学院,上海,200433 |
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基金项目: | 国家自然基金(11271240),上海财经大学教务处资助 |
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摘 要: | 本文提出了正项级数∞∑n=1a_n新的敛散性判别法,部分解决了根值判别法limn→∞(a_n)~(1/n)=1的遗留问题,即limn→∞(a_n)~(1/n)=1时的判别方法.
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关 键 词: | 正项级数 Cauchy判别法 |
Generalization of Cauchy Test of Series with Positive Terms |
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Abstract: | A new approach to determine the convergence of series with positive terms is proposed in this paper. It partially solved the problem left,that is the problem of limn n→∞ an =1 instant criterion. |
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Keywords: | series with positive terms Cauchy′s test |
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