Product Approximation of Grade and Precision 被引量：6

Product Approximation of Grade and Precision

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摘要 The normal graded approximation and variable precision approximation are defined in approximate space. The relationship between graded approximation and variable precision approximation is studied, and an important formula of conversion between them is achieved The product approximation of grade and precision is defined and its basic properties are studied. The normal graded approximation and variable precision approximation are defined in approximate space. The relationship between graded approximation and variable precision approximation is studied, and an important formula of conversion between them is achieved The product approximation of grade and precision is defined and its basic properties are studied.

作者张贤勇莫智文

机构地区 Section of Fundamental Studies

出处《Journal of Electronic Science and Technology of China》 CAS 2005年第3期276-279,283,共5页 中国电子科技（英文版）

基金 Supported by the National Natural Science Foundation of China (No. 69803007)

关键词 rough sets approximation operators operators of approximations graded rough sets variable precision rough sets rough sets approximation operators operators of approximations graded rough sets variable precision rough sets

分类号 TP18 [自动化与计算机技术—控制理论与控制工程]

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参考文献1

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同被引文献40

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引证文献6

1张贤勇.近似邻域的完备探讨[J].四川师范大学学报（自然科学版）,2006,29(2):139-142. 被引量：2
2张贤勇.集合近似邻域与知识论域拓扑空间的性质[J].四川师范大学学报（自然科学版）,2007,30(2):138-141.
3张贤勇,熊方,莫智文,程伟.精度与程度的逻辑或近似算子的性质[J].模糊系统与数学,2010,24(3):133-137. 被引量：1
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二级引证文献11

1张贤勇,熊方,莫智文.覆盖空间及粗糙集与拓扑的统一[J].数学的实践与认识,2006,36(11):191-195. 被引量：5
2张贤勇.集合近似邻域与知识论域拓扑空间的性质[J].四川师范大学学报（自然科学版）,2007,30(2):138-141.
3张贤勇,莫智文.精度与程度的逻辑差近似算子及其性质[J].四川师范大学学报（自然科学版）,2011,34(4):443-446. 被引量：1
4张贤勇,熊方,莫智文,程伟.变精度上近似与程度下近似粗糙集模型的正域及其算法[J].计算机科学,2012,39(1):248-251. 被引量：1
5张贤勇,莫智文.程度上、下近似算子的乘积运算[J].四川师范大学学报（自然科学版）,2011,34(6):775-779. 被引量：3
6张贤勇.变精度上近似算子与程度下近似算子的逻辑或运算模型[J].系统工程理论与实践,2013,33(5):1277-1282. 被引量：2
7曾凯,佘堃.基于多核粒化的模糊粗糙计算模型[J].电子科技大学学报,2014,43(5):717-723. 被引量：1
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10祁小丁,邵亚斌.变精度动态S-粗集模型及应用[J].模糊系统与数学,2019,33(1):128-135. 被引量：2

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Journal of Electronic Science and Technology of China

2005年第3期

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Product Approximation of Grade and Precision 被引量：6

参考文献1

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引证文献6

二级引证文献11

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