模糊数学第四讲.ppt课件.ppt

mnmmnrrrrrrrrrA212111211ijaj jainiiirrra21iiixsv 变异系数公式变异系数公式通过对通过对 归一化确归一化确定各个指标的权重：定各个指标的权重：njijirnx11njiijxrns12)(11 miiiivvw1mkjjkmkiikmkjjkiikijxxxxxxxxr12121)()(| |mkjkjmkikixmxxmx111,1mmmmmmrrrrrrR11121221112imTiirRr1111mRiiw miiiiw111 *U*U321111*min)(min)(maxIiIiIiaaauiijnjijnjijnji321111*min)(max)(minIiIiIiaaauiijnjijnjijnjiR 311*3*,)(min)(max,1IiaauaIiaurijnjijnjiijiijiiij311*3*,)(min)(max,1IiaauaIiauijnjijnjiijiijiiijnjijnjijnjijijirrc12121*), 2 , 1(mi miiiiccw1njijijijaap1ijnjijippke1lnnkln1iieg1miiiiggw1)(21m)(21m miiiiiiwiiiw)1 ( 为偏好系数, 10 ）（m21适度型指标成本型指标效益型指标)min()max(iiiaa)min()max(iiiijijaaarmiijijrwF1成本型效益型ijiiijijaaaay/*)max(*ijiaa nmijinmijywvV)*()()min(),max(2111mijnjijnjvvvIivIivV)max(),min(2111mijnjijnjvvvIivIivV)*/*arccos(vvvvjjj)*/*arccos(vvvvjjjjjjjCnjjnjjnjjjxySSRRSSRRq12121)(*)()(*)(njjDnn12) 1(612q ikr1ikikrnR KkikiRKR11jiRRiaja iaja iaja jiSaajiEaa其他jiijSaab01njijibb1ijjijiijSaaEaaSaac101njijicc11 . 0)min()max()min(9 . 0iiiikikaaaaKkikihhif1其他排名haiih01 hhihihiffw2/ ) 1)(hnhnQhhQiahhihiiQwFB