Insert new values into an array

Question

I currently have a column vectors of different lengths and I want to insert another column vector at various points of the original array. i.e. I want to add my new array to the

Answer 1

here's one way to do it:

a = [1:30]';
b = [0;0;0;0;0];

a=reshape(a,10,[]);
b=repmat(b,[1 size(a,2)])
r=[b ; a]
r=r(:);

the trick is to reshape a to a matrix with columns of the right size (10 elements each). Replicate b to this # of columns , concatenate both and flatten the matrix to a vector...