有没有办法通过使矢量重复来扩展矢量？
>v = [1 2];
>v10 = v x 5; %x represents some function. Something like "1 2" x 5 in perl
然后v10将是:
>v10
1 2 1 2 1 2 1 2 1 2
这应该适用于一般情况,而不仅仅是[1 2]