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ղ ӡ Դ й    ҫ
ȶ0Ʊ  108 ʱ2011908 09:14
ҪͨԲҵĻطҵĻָϵۺ۷жʹҵĻ۸Чķ
ؼ飻ҵĻգ
ķ
һҵĻյص
ҵĻָҵڲͬĻڽʱĸȷҵʵԤĿ귢ʹҵӪʧܵĿп͹ɿԵᴩڲսԵƶΪʵʩԼҵԴϵһϵйֱӰ첢Чķ
ҵĻҪ¼ֱʽ1ָҵȡĹģʽ͹Ϊܷ񱻲˫Աܵķգ2ָͨڲĻʹò˫Ϣ˼봫ݻ򽻻ķգ3ָ֯ҵڲڲͬҵĻĹԱԱ֮䲻ܽЭϵӶӰ֯ȶԵķգ4ԱָĻIJͳͻһЩؼĹͼ˲뿪ҵʹ뿪ֲҲʹԱЧ½ӶԤĿʵֵķ
ҵĻָϵ
ҵĻָϵĹǽĻ۵ĻԲҵܷ˳ʵԼܷﵽԤڵIJĿҪָϵ۽ʵԺȷ
ıſѧϵͳ붨ָϵԭϲҵصһЩѧ߶ԲҵĻյоɹҵٵĻչΪĻ֯ĻͨĻպԱĻĸͬʱĻյӰõ¶ƷҵרȷȨָϵȨط1ʾ1
ҵĻۺģ
ۺǶɶӰȫ۵һʮЧĶ۷任ԭԭ뱻صĸۺڲҵĻ漰ĸͺܶ಻׶ڶʱҪѧ۽ж˲ۺ۷ԲҵĻսۺǺܺ
ۺ۷IJ
1ȷؼĸҪӰΪԪصļUԷֳ4ӼΪU={u1u2u4}
2صOĻOV={v1v2v3v4v5}={ϸеϵ}n=5ʾΪuԲͬ۵ȼ
3UVĵоRiÿһָUiеָۺʱԸʵȷָ۾Riõ¶ƷȷUiиضӦVеĸȾɴ˿Եõģ۾
4UiиָȨȨDZʾijһָָϵоеҪ̶ʵʼʱͨרַȷָȨ
5ó۽UiΪһBiΪUiĵָɹUV۾
R=BBB=bbbbbb bbb
UiUеҪ̶ȸȨA=a1a2asõUB=AR=b1b2bmBһԭBӦ۵ȼΪ۶ĵȼΪۺ۵Ľ
Ӧʵ
ģijҵĻսۺݱ1õ¶ƷõȨطΪ
һָȨΪA=0.40.20.30.1
ָȨΪ
A1=0.50.30.2A2=0.60.4
A3=0.40.30.3A4=0.60.4
ȻרҴַȷĶָָӼ۾ֱΪ
R1=0.30.20.10.20.20.40.20.20.10.10.20.30.30.10.1
R2=0.20.40.10.20.10.30.10.30.10.2
R3=0.20.10.40.300.40.20.30.100.30.40.20.10
R4=0.30.20.30.10.10.20.10.40.30 ָѧΪ
B1= A1R1
=0.50.30.20.30.20.10.20.20.40.20.20.10.10.20.30.30.10.1
=0.310.220.170.150.15
ͬ
B2=A2R2
=0.60.40.20.40.10.20.10.30.10.30.10.2
=0.240.280.180.160.14
B3=A3R3
=0.40.30.30.20.10.40.300.40.20.30.100.30.40.20.10
=0.290.220.310.180
B4=A4R4
=0.60.40.30.20.30.10.10.20.10.40.30
=0.260.160.340.180.06
R=BBBB= 0.310.220.170.150.150.240.280.180.160.140.290.220.310.1800.260.160.340.180.06
õۺ۽ΪB=AR
0.40.20.30.10.310.220.170.150.150.240.280.180.160.140.290.220.310.1800.260.160.340.180.06
=0.2850.2260.2310.1640.094
ۺнBĸ֮Ϊ1һɴ˵õ˲ҵĻȼ۽۽˵в۵ר28.5%˶ԸòҵĻΪߡ22.6%Ϊϸߡ23.1%Ϊеȡ16.4%Ϊϵ͡9.4%Ϊ͡ľԭòҵĻյȼΪߡ
ԭֻǵֵĵȼȼ˿ɽOVиﶨ׼óҵĻ۵÷ȼӦı׼2ʾ2

ôòҵĻ۵÷ּ
1000.285+850.226+700.231+600.164+450.094=77.91
˵òҵĻմеȺͽϸ֮ˮƽ

ҵȻĻֻʶַյӰ̶Чط͹ܷĶԲҵĻսʶͨԲпֵܳĸĻؽз˲ҵĻָϵѧ۶ۺΪҵĻտṩ

Ҫο
[1].ҵĻռʶ[J].人ѧѧ2002.6.
[2]Ӣ.гĻҪ;[J].ѧѧѧ棩2009.1.
[3]Ӣ.ҵĻռָϵ[J].ҵ2007.3.
[4]Ӧ.ϵͳ[M].еҵ2005.
[5]Ŷ컪.ִۺ۷밸ѡ[M].廪ѧ2005.9.
[6].ҵĻۺ[J].ó2008.12.



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