MATLAB: XOR operation

Question

input=output

[0 0]=[0 0 0] [0 1]=[0 1 1] [1 0]=[1 0 1] [1 1]=[1 1 0]

how can i get this

Answer 1

a=[0 0] %example input
b=[a(1) a(2) xor(a(1),a(2))] %example output