| 摸球模型在数学中的应用 |
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| 引用本文： | 程汉平. 摸球模型在数学中的应用[J]. 安徽卫生职业技术学院学报, 2005, 4(4): 75-76 |
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| 作者姓名： | 程汉平 |
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| 作者单位： | 安徽汽车工业学校,合肥,230041 |
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| 摘 要： | 此文利用摸球模型结合概率论的一些结论得到了一系列的排列组合恒等式,还求出了行列式的展开式中含有主对角线元素的项数.
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| 关 键 词： | 摸球模型 组合数 排列数 |
| 文章编号： | 1671-8054(2005)04-0075-02 |
| 修稿时间： | 2004-04-19 |
Application of taking ball model in mathematics |
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| CHENG Han-ping. Application of taking ball model in mathematics[J]. Journal of Anhui Heaith Vocational & Technical College, 2005, 4(4): 75-76 |
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| Authors: | CHENG Han-ping |
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| Abstract: | It sums up a series of identical relations about permutation and combination with the help of tak-ing ball model and some conclusions in probabitity, theory, then it gets the number of item including principalcliagonal in the determinantal expansion. |
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| Keywords: | taking ball model number of combination number of permutation |
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