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jjinglin: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-10-18 09:13:58
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CODE:
data1=[1:100]';
data2=ceil(100*rand(100,1));
data3=rand(100,3);
data=[data1,data2,data3];
A=randperm(100)';
h=A(1:15);
B=data(h,:);

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