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for i = 1 £ºm
     for j = 1 : n
          count = A(a(i), b(j)) + 1;
          A(a(i), b(j)) = count;
      end
end

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yisc1981

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clear all
clc

A=rand(10);
B=A; %Áô×űȽÏ
a=[2 2 6 8 5 5 5 5];
m=length(a)
b=[1 1 1 3 3 9 9 9 4 4];
n=length(b);
for i =1:m
     for j = 1 : n
          count = A(a(i), b(j)) + 1;
          A(a(i), b(j)) = count;
      end
end
% µÚ¶þÖÖ·½·¨
a=sort(a)
b=sort(b)
[a,ida]=unique(a)
[b,idb]=unique(b)
ida=[0,ida]
idb=[0,idb]
counta=diff(ida)
countb=diff(idb)
B(a,b)=B(a,b)+counta'*countb

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D=A-B
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3Â¥2014-11-26 09:50:41
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for i = 1 £ºm
     m1=a(i);   
     for j = 1 : n
          m2= b(j);
          A(m1, m2) += 1;
      end
end
2Â¥2014-11-24 14:45:06
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ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by yisc1981 at 2014-11-26 09:50:41
clear all
clc

A=rand(10);
B=A; %Áô×űȽÏ
a=;
m=length(a)
b=;
n=length(b);
for i =1:m
     for j = 1 : n
          count = A(a(i), b(j)) + 1;
          A(a(i), b(j)) = count;
      end
...

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counta=diff(ida)
countb=diff(idb)
B(a,b)=B(a,b)+counta'*countb
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4Â¥2014-11-26 13:57:16
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yisc1981

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°®ºì²èµÄè(nono2009´ú·¢): ½ð±Ò+14 2014-11-28 17:03:05
ÒýÓûØÌû:
4Â¥: Originally posted by °®ºì²èµÄè at 2014-11-26 13:57:16
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counta=diff(ida)
countb=diff(idb)
B(a,b)=B(a,b)+counta'*countb
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    ida=[0,ida]
    idb=[0,idb]
    counta=diff(ida)
    countb=diff(idb)
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