Creating a matrix with repeating the same numbers.

2014 10 28
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更新时间：2014 11 2
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Hi, i am back with one more question.
If 't' is any variable, let's keep t=10
i need a matrix
A=[1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11]
if t=11, i need
A=[1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12]
Any help will be appreciated. this is because of my project.

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dpb
dpb 2014-10-28
编辑：dpb 2014-10-29

1 个投票

Not a lot of work there...
v=repmat([2:t],2,1);
A=[1 v(:).' t+1];

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Jagadesh Rao
Jagadesh Rao 2014-10-28
i received this error.
">> v=repmat([2:t],2,1); A=[1 v(:) t+1].'; Error using horzcat Dimensions of matrices being concatenated are not consistent."
Thanks for your effort. any help will be appreciated.
dpb
dpb 2014-10-29
编辑：dpb 2014-10-29
misplaced the .' as (:) returns column vector...amended.
dpb
dpb 2014-11-2
Looks like Roger S was already by...

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