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How can I append same size matrix vertically?

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horizon
horizon 2019 年 5 月 28 日
Commented: Stephen Cobeldick 2019 年 5 月 28 日
When I tried to append the following matrices, it automatically appended horizontally. How can I append like this vertically?
12 93 -1
67 -8 11
10 90 0
60 0 10
script
sample = [12 62; 93 -8; -1, 11];
sample2 = [10 60; 90 0; 0, 10];
new = [sample, sample2];
disp(new)
%result
12 62 10 60
93 -8 90 0
-1 11 0 10

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Alex Mcaulley
Alex Mcaulley 2019 年 5 月 28 日
sample = [12 62; 93 -8; -1, 11];
sample2 = [10 60; 90 0; 0, 10];
new = [sample; sample2];

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Rik
Rik 2019 年 5 月 28 日
Nothing here is happening automatically. With the comma you are telling Matlab that you want to concatenate horizontally. If you want to concatenate vertically you can either use the semicolon, or explicitly call the cat function.
Also, your inputs seem confusing. You can get closest to your stated output by transposing your two first.
sample = [12 62; 93 -8; -1, 11];
sample2 = [10 60; 90 0; 0, 10];
new = [sample'; sample2'];
new(2,1)=67;%or was this a typo?
disp(new)

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