Ŀ2
ͼ񣺱ǽṹ־ÿù̶ֵʾ RGB ֵ㡢洢㶼ֱþɣǳĵײܹ

ıǷǽṹݣҪͨת֣ٽһת / Ƕܱ㴦ڶתɱұʾʽͳһ
Ŀ3
1A+B=[3+1,4+2]=[4,6]
22A=[23,24]=[6,8]
3OAOO= 
3 
2
 +4 
2
 
?
 = 
9+16
?
 = 
25
?
 =5
Ŀ4
1A?B=14+25+36=4+10+18=32
2OAOO= 
1 
2
 +2 
2
 +3 
2
 
?
 = 
14
?
 3.7417
OOBOO= 
4 
2
 +5 
2
 +6 
2
 
?
 = 
77
?
 8.7750
cos= 
14
?
  
77
?
 
32
?
 = 
1078
?
 
32
?
 0.9746
3A?B=10+01=0
OOAOO= 
1 
2
 +0 
2
 
?
 =1
OOBOO= 
0 
2
 +1 
2
 
?
 =1
cos= 
11
0
?
 =0

ڶάƽǻഹֱģнΪ 90㣬ֵΪ 0ʾȫơ
Ŀ5
ʱĵгֹĲظʵļϣ
V={Python,?,?,?,?Java}

Doc1: Python(1 ), (1 ), (1 ), (1 ), Java(0 )
Doc1=[1,?1,?1,?1,?0]
Doc2: Python(0 ), (1 ), (1 ), (1 ), Java(1 )
Doc2=[0,?1,?1,?1,?1]
Doc3: Python(3 ), (0 ), (0 ), (0 ), Java(0 )
Doc3=[3,?0,?0,?0,?0]
Ŀ6
BOWȱ˵BoW ֻͳƴƵȫǵʵ˳Ĺϵ޷ ҳƻ  ƻҡ ͬȫ෴ľӡ

Ӱ죺зı⡢ʴϵͳУĶҪBoW ᵼģ޷ıʵ壬ӰЧ


ȱ˵BoW ÿʵɢţ޷ Python  Java ǱϵԣҲ޷ͬʡʡ

Ӱ죺ıࡢϢУᵼƵôʲͬıжΪƣģ͵ķͼٻʡ