Question

determine a matriz x tal que x-a+b=0, sendo a=[2 3 4 5] e b= [-1 2 1 0]

Answer 1

x-a+b=  [3 1 3 5] - [2 3 4 5] + [-1 2 1 0] = [0 0 0 0]

x=  [3 1 3 5]