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2、粗糙集理论(Rough Set Theory)7智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)8aAaVV 智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)9智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)10智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)11YXxUxXRXYRUYR)()/(:YXxUxXRXYRUYR)()/(:XRXPOSR)(XRUXNegR)(智能决策方法智能决策方法2022-12-16粗糙集理论
3、(Rough Set Theory)12论域U粗糙集X粗糙集X智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)13智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)14UXRXRUXRXRUXRXRUXRXR智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)15)()()()(XXRCardXRCardXR)(1)(XXRR|)(|)(|)(xRXxRxRX智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)16CardUXRCardF
4、niiR1)(niiniiRXRCardXRCardF11)(智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)17智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)18智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)19XBDPOSDUXB/)(智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)20DUCU/)()()(UCardDPOSCardDkCC智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Th
5、eory)21智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)22智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)23)()(1)()()()(),(DDDDDBCBCCBCCDC智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)24,21nxxx,UU,A,V,fS),()()(:(),()(的所有属性集和是区别对象jijinnjinnjixxxxxaxaBaxxBM),(),(:)(axxjiBaBCoreji智能决策方法智能决策方法2022-12-16粗糙集理论(R
6、ough Set Theory)25B)(cccB B)(),()(,()()()()(),(),()()(:(),()(DINDxxDPOSxxDPOSxDPOSxDPOSxDPOSxxxwxxwxaxaCaxxCMjiCjiCjCiCjCijinnjijinnjiD其中智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)26),(jixxw),(jixxw)(),(DINDxxjiC)(cccC C智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)27 3,2,1 3 3,2,1 3,2,1 3,2 2,1 3,
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8、33,2,13,2,13,22,13,13,2,133,22,1)(TTTTTTTTTTTTTTTTTTTTTTTTCMD智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)31智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)32)()(1)()()()(),(DDDDDBCBCCBCCDC智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)33智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)34智能决策方法智能决策方法2022-12-
9、16粗糙集理论(Rough Set Theory)35|)(|)(|)(xRXxRxRX1)()(xiffXxRRX智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)36论域U粗糙集X粗糙集X论域U粗糙集X粗糙集X)()()(xRXRXxR)()()(xRXRxRX智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)37智能决策方法智能决策方法2022-12-16粗糙集理论(Rough Set Theory)38)(:)(1XxSUxXS)()(:)()(1xSXxSUxXSXxSXx:)(ySxUyxS:)(1xSyUyxS
