| 一个n有序集组的计数问题 |
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| 引用本文： | 王景周,张海模.一个n有序集组的计数问题[J].数学季刊,2003,18(3):283-285. |
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| 作者姓名： | 王景周 张海模 |
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| 作者单位： | 1.College of Mathematics and Information Science，Henan University，Kaifeng 475001，China; 2.Zhongyuan Vocational and Technical College，Zhuma dian 463000，China |
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| 摘 要： | In this paper, we discuss the counting problem of an order n-group of set (A1 ,A2 ,… ,An) which satisfies ∪^ni=1Ai={a,a2,…,am} and one of the following:(1)∩^ni=1Ai=Φ;(2)∩^ni=1Ai={b1,b2,…,bk};(3)∩^ni=1A1包含{b1,b2,…,bk};(4)Ai≠Φ(i=1,2,…,k），We solve these problems by element analytical method.
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| 关 键 词： | 计数问题 n有序集组 元素分析法 约束条件 |
The Counting Problem of an Order N-group of Set |
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| WANG Jing-zhou,ZHANG Hai-mo.The Counting Problem of an Order N-group of Set[J].Chinese Quarterly Journal of Mathematics,2003,18(3):283-285. |
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| Authors: | WANG Jing-zhou ZHANG Hai-mo |
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| Institution: | [1]CollegeofMathematicsandInformationScience,HenanUniversity,Kaifeng475001,China [2]ZhongyuanVocationalandTechnicalCollege,Zhumadian463000,China |
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| Abstract: | |
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| Keywords: | an order n-group of set element analytical meth od counting |
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