insert zero column in a m×n matrix ?
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hello, i want to insert a zero column in the beginning of a matrix. say for example, if i have 5×5 matrix. if i want to insert zero column in the beginning then the matrix will be 5×6 matrix, so now the first column in this matrix will be zeros. how do i do it? need some help. Thank you.
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Sven
2011 年 11 月 2 日
For a given matrix A:
A = rand(5,5);
Using square braces to concatenate:
A_zeros = [zeros(size(A,1),1) A];
Using the cat() command:
A_zeros = cat(2, zeros(size(A,1),1), A);
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