Combine two columns into one by first two rows A two rows B and so on

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Dave
Dave 2017-12-18
回答： Roger Stafford 2017-12-18
Hi, I want to combine two columns A and B (both 4x1) into one column C by using first the first two rows of A, then the first two rows of B, then the second two rows of A and so on.
A=[1,2,3,4]';
B=[-5,-6,-7,-8]';
I tried
N = size(A,1)+size(B,1) ;
C = zeros(N,1) ;
C(1:2:end) = A ;
C(2:2:end) = B ;
But not working.
Answer should be
C=[1;2;-5;-6;3;4;-7;-8]

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采纳的回答

Roger Stafford
Roger Stafford 2017-12-18
C = reshape([reshape(A,2,[]);reshape(B,2,[])],[],1);
This depends on the lengths of the column vectors A and B being the same multiple of 2.

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