正文描述:《基于容差优势关系的粗糙集模型与其应用-研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、万方数据basedontolerancedominancerelation.Thearticlegivestheconceptsofroughdegree,roughentropyandfuzzydegree.Usethemtomeasuretheuncertaintyofroughset.Andtherearedefiniterelationsanddifferencesbetweenthem.Thirdly,theattributereductionproblemoftheorderinfo
2、rmationsystemonthetolerancedominancerelationiSstudied.Tomaintainthetolerancedominanceclassoftheorderinformationsystemthesame,thepapergivesthedefinitionofattributereductionundertheorderinformationsystemonthetolerancedominancerelation.Accordingtothedef
3、initionofattributereduction,thealgorithmofattributereductionisproposedanditstimecomplexityisanalyzed.Fourthly,theprojectsortingproblemoftheorderinformationsystemonthetolerancedominancerelationisstudied.Basingontolerancedominancerelation,thedefinition
4、ofdominantdegreeisobtainedandaprojectsortingmethodbasingonthetolerancedominancerelationisproposed.Thesortingmethodisappliedtothecomprehensivelyevaluateofsmartgrid.Theresultsshowthatcomparedtotheclassicaldominancerelation,thetolerancedominancerelation
5、possessesstrongercapabilityoffaulttoleranceforthedata.Finally,inincongruousdecision—makingorderinformationsystem,tomaintaintherelativelycoordinationoftheinformationsystemthesame,thepapergivesthedistributionreductionandmaximumdistributionreductionofth
6、eincongruousorderinformationsystemonthetolerancedominancerelation.ThetheoremofcorrespondingreductiondecisionispresentedanditsIV万方数据relatedpropertiesarediscussed.Inaddition,tomaintainthedeterministiccladficati(ofeachdecision.makingclasstheystem,classl
7、hcatlonoteachdecisionmakingclassthesameinthesystem.thearticle-givesthelowerapproximationreductionoftheincongruousorderinformationsystembasedonthetolerancedominancerelation.Andthedecisiontheoremoflowerapproximationreductionandthecalculationmethodaregi
8、ven.KEYWORDS:roughset;orderinformationsystem;tolerancedominancerelation;attributereduction;sortingmethodV万方数据VI万方数据目录第1章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.1本文研究背景和意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.11.2国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..11.2.1粗糙集理论研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.2.2优势关系粗糙集研究现状
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