thinking
Thursday, 22 March 2012
合并两个数组
b1 = data(1:10,4); %b1来自第四列的第一到第十个元素
b2 = data(11:20,4); %b2来自第四列的第十一到第二十个元素
b12 = [b1;b2]; %合并b1,b2到b12中
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