How to add a column between two columns?

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Jose Grimaldo
Jose Grimaldo 2020-2-5
评论： C'lette 2024-2-4
I have a matrix 3x3 and a column vector 3x1. I'm trying to add the column vector between the second and third column of the 3x3 matrix.How can i add the column to the matrix?
M1=randi([-10,20],[3,3]); % M1 is 3x3 matrix
r=[5;5;5]; % r is 3x1 vector

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Adam Danz
Adam Danz 2020-2-5
编辑：Adam Danz 2020-2-5
out = [M1(:,1:2), r, M1(:,3)];
  1 个评论
C'lette
C'lette 2024-2-4
I suggest a little change, just to avoid hardcoding:
out = [M1(:,1:2), r, M1(:,3:end)];

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