a) A - B = [2 1 -3 4] - [0 -1 2 5]= [2-0 1-(-1) -3-2 4-5]=[2 2 -5 -1]
b) A- B^t - C = [2 1 -3 4] - [0; -1; 2; 5] - [3 0 6 1] =
2 1 -3 4 - [3 0 6 1] =
3 2 -2 5
0 -1 -5 2
-3 -4 -8 -1
0 -1 -5 2
-3 -4 -8 -1
RESPOSTA:
-1 1 -9 3
0 2 -8 4
-3 -1 -11 1
-6 -4 -14 -2
0 2 -8 4
-3 -1 -11 1
-6 -4 -14 -2