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create a matrix!

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Andrea
Andrea 2012-6-1
Hello I have
row=[1 2];
col=[10 11 13 ];
I want to have b=[10 11 13; 10 11 13]
How can i do that?
  1 个评论
Walter Roberson
Walter Roberson 2012-6-1
Please do not Tag specific individuals for a question, as it puts pressure on the named person to answer.

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采纳的回答

Honglei Chen
Honglei Chen 2012-6-1
repmat(col,2,1)
or
repmat(col,numel(row),1)
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Andrea
Andrea 2012-6-1
It works now. I have some little matrices with different size (such as 7*3, 2*5, 8*1,...) and I need to put them in a bigger matrix. My problem actually is I want similar arrays with similar row or col is put in the same position (array) in the bigger matrix. It actually have taken a lot of time until now and no matter how much I have spent on it, It still does not work!
Honglei Chen
Honglei Chen 2012-6-6
You may want to start a new thread and explain the issue. I'm sure someone here can help.

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更多回答（1 个）

Ryan
Ryan 2012-6-1
row = [1 2];
col = [10 11 13];
b = ones(length(row),length(col));
clear m
for m = 1:length(row)
b(m,:) = col;
end
  1 个评论
Andrea
Andrea 2012-6-1
It works for all row and col. Thanks a lot.

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