| 正项级数敛散性根比判别法 |
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| 引用本文： | 陈仁荣.正项级数敛散性根比判别法[J].南通航运职业技术学院学报,2006,5(3):44-46. |
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| 作者姓名： | 陈仁荣 |
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| 作者单位： | 常州市广播电视大学,财经系,江苏,常州,213001 |
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| 摘 要： | 正项级数∞n=1∑un的敛散性判别,一般《数学分析》教材是在介绍了Cauchy准则、比较判别法以后,给出了根值判别、比值判别等方法;本文利用比较判别法,提出了一个全新的、更为一般的判别方法——根比判别法。
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| 关 键 词： | 正项级数 比较判别法 根比判别法 |
| 文章编号： | 1671-9891（2006）02-0044-03 |
| 收稿时间： | 2006-03-10 |
| 修稿时间： | 2006年3月10日 |
To Judge Whether Series of Positive Terms Are Discrete or Shrinking by Root Ratio |
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| CHEN Ren-rong.To Judge Whether Series of Positive Terms Are Discrete or Shrinking by Root Ratio[J].Journal of Nantong Vocational & Technical Shipping College,2006,5(3):44-46. |
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| Authors: | CHEN Ren-rong |
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| Abstract: | To judge whether the series of positive terms u are discrete or shrinking, generally speaking, the course book "Mathematics Analysis" has introduced the way of Cauchy rule, comparison, root and ratio. This article introduces a completely new and more general way: Root Ratio by the way of comparison. |
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| Keywords: | Series of positive terms Way of comparison Way of root ratio |
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