make matrix for given vector ( better method)

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JaeSung Choi
JaeSung Choi 2017-11-21
评论： JaeSung Choi 2017-11-21
for given vector x = [x1 x2 x3 x4 x5]
I want to make square matrix y = [x; x; x; x; x]
actually I can make it using
--------------------
for i = 1 : 5
y(i,:) = x
end
--------------------
but i have to do such calculation many times, so I want even fast method!
Please help me!!

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采纳的回答

Birdman
Birdman 2017-11-21
编辑：Birdman 2017-11-21
If x is a column vector:
Y=repmat(x,1,size(x,1));
If x is a row vector:
Y=repmat(x,size(x,2),1);

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