Making one column from two columns

Hello;

I would like to build a column ( C) that is created by two different columns ( A and B) in text file in a specific array. For example;

A B

10 15

20 25

30 35

40

C

10

15

20

25

30

35

40

How can I achieve this? Thank you.

Muhsin

Answer 1

[Andrei Bobrov]

B1 = [B;0];
out = reshape([A(:)';B1(:)'],[],1);
out = out(1:end-1);

Answer 2

[KSSV]

A = [10 20 30 40]' ;
B = [15 25 35]' ;

% C = [10 15 20 25 30 35 40]'

N = length(A)+length(B) ;
D = zeros(N,1) ;
D(1:2:end) = A ;
D(2:2:end) = B ;

Read about MATLAB matrix indexing.

Answer 3

[Image Analyst]

Without giving any rules for how this is to be generalized, I'm going to assume that A and B are as given: a 4 element column array, and a 3 element column array. So in that case, to get C from a 4 element A and a 3 element B, you'd simply do

C = [A(1); B(1); A(2); B(2); A(3); B(3); A(4)]

If that doesn't work then you must say how A and B might be different than the example you gave. Otherwise, this one-liner is about as simple as you can get.