MATLAB:复制向量'n'次 [英] MATLAB: duplicating vector 'n' times

问题描述

我有一个向量，例如

vector = [1 2 3]

我想在自身内复制 n次，即，如果n = 3，则最终结果为:

I would like to duplicate it within itself n times, i.e. if n = 3, it would end up as:

vector = [1 2 3 1 2 3 1 2 3]

对于任何n值，我该如何实现呢?我知道我可以执行以下操作:

How can I achieve this for any value of n? I know I could do the following:

newvector = vector;
for i = 1 : n-1
    newvector = [newvector vector];
end

这似乎有点麻烦.还有更有效的方法吗?

This seems a little cumbersome though. Any more efficient methods?

推荐答案

尝试

repmat([1 2 3],1,3)

我将让您检查repmat的文档.

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