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How to add zero in even position of a matrix

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Soumili Sen
Soumili Sen 2021-3-20
评论： Soumili Sen 2021-3-20
hello,
Suppose I have a matrix
N=5; %can be anything
a=randi([1 4],N,1);
So I am getting a result like a=[1 2 3 2 4]'.
Now I want to add zeros in the even position, so my desired output will be b=[1 0 2 0 3 0 2 0 4 0]'
How I can implement this in the matlab?
Thanks in advance.

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采纳的回答

Alan Stevens
Alan Stevens 2021-3-20
Like this
a = [1;2;3;4];
z = zeros(size(a));
b = [a';z'];
b = b(:)

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