how to create a matrix in matlab

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marwa hajji
marwa hajji 2022-2-1
评论： Image Analyst 2022-2-2
I have A=[1 3; 2 4]; and B=[5 6; 7 8];
I would like to create this two matrix line by line in C :
C=[1 3;5 6; 2 4; 7 8];
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marwa hajji
marwa hajji 2022-2-2
thank you very much , yes exactly!!!!
Image Analyst
Image Analyst 2022-2-2
@marwa hajji did you see my Answer below (scroll down to the official Answers section, not up here in the comments section which is supposed to be used to ask the original poster for clarification)?

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回答（2 个）

Benjamin Thompson
A couple different ways:
>> A = [1 3; 2 4]
A =
1 3
2 4
>> B = [5 6; 7 8]
B =
5 6
7 8
>> C = A
C =
1 3
2 4
>> C = [C; B]
C =
1 3
2 4
5 6
7 8
>> C = [A; B]
C =
1 3
2 4
5 6
7 8
  1 个评论
Image Analyst
Image Analyst 2022-2-1
Ran in:
This
C =
1 3
2 4
5 6
7 8
is not what he wanted. He said he wants
C=[1 3;5 6; 2 4; 7 8]
C = 4×2
1 3 5 6 2 4 7 8

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Image Analyst
Image Analyst 2022-2-1
Ran in:
Try this:
A=[1 3; 2 4]
A = 2×2
1 3 2 4
B=[5 6; 7 8]
B = 2×2
5 6 7 8
% What is desired:
C = [1 3;5 6; 2 4; 7 8]
C = 4×2
1 3 5 6 2 4 7 8
% My code
C2 = [A(1,:); B(1, :); A(2,:); B(2,:)]
C2 = 4×2
1 3 5 6 2 4 7 8
If you need it generalized to interleave a different number of rows than 2, or if A and B might have different numbers of rows, then it would be more complicated.

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