| 单向S-粗集近似精度函数和依赖特性 |
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| 引用本文： | 夏佳荣.单向S-粗集近似精度函数和依赖特性[J].杭州师范学院学报(自然科学版),2009,8(6):401-406. |
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| 作者姓名： | 夏佳荣 |
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| 作者单位： | 杭州师范大学,理学院,浙江,杭州,310036 |
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| 摘 要： | 利用单向S-粗集的动态特性和Pawlak粗集近似精度,提出了单向S-粗集的近似精度和它生成的近似精度函数,讨论并且得到了近似精度函数的数值特性与元素迁移的关系,近似精度和近似精度函数数值特性与属性的依赖之间的关系.
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| 关 键 词： | 单向S-粗集 近似精度 近似精度函数 |
Approximation Accuracy Function of One Direction S-rough Sets and Its-Characteristic of Dependency |
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| XIA Jia-rong.Approximation Accuracy Function of One Direction S-rough Sets and Its-Characteristic of Dependency[J].Journal of Hangzhou Teachers College(Natural Science),2009,8(6):401-406. |
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| Authors: | XIA Jia-rong |
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| Institution: | XIA Jia-rong (College of Science, Hangzhou Normal University, Hangzhou 310036, China) |
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| Abstract: | With the dynamic characteristic of one direction S-rough sets and the Pawlak approximation accuracy,the paper introduces the approximation accuracy and approximation accuracy function of one direction S-rough sets discusses and obtains the relations between elements transfer and numerical characteristic of the approximation accuracy function as well as the relations between numerical characteristic of the approximation accuracy function and dependency of attribute. |
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| Keywords: | one direction S-rough sets approximation accuracy approximation accuracy function |
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