1. (Part I) Assume that you have three vectors A = (a1, ... , an], B = (b1, ... , bn], C = [c1,...,n] of equal length, and create a vector D that combines A, B and C such that D= (a1, 61, A2, 62, ... , An, bn, C1,..., Cn] Requirement: You ccould choose any A and B in this example for your program. But your program should work if we ONLY change A and B to any other vectors of the same length. For example, if A = (1, 2, 3), B = (-1, -2, -3), C = [5, 6, 7) then D = [1,-1, 2, -2,3, -3,5, 6, 7] Hint: you are not required to follow the steps below. You could choose any way that works. Step 1: %define A and B Step 2: %create a zero matrix E with the length twice of length(A) Step 3: % change all elements of E on the odd positions Step 4: % change all elements of E on the even positions Step 4: %concatenate E and C to create D