adding a zero element in a specific location in array (between two elements)

I have two array. one is 100x1 which contain two zeros elements and a shorter arrray with 98x1 elements which does not has zeros elements

I need to insert the same zeros locations of A matrix in B matrix locations to make it 100x1.

Answer 1

[Matt J]

C=A;
C(logical(A))=B; %C is the result