Question A2.5: [A]= [24 15 10 35 20 0 56 20 45] [B] = [34 -20 0 25 45 -9 67...
[A]=\left[\begin{matrix} 24 & 15 & 10 \\ 35 & 20 & 0 \\ 56 & -20 & 45 \end{matrix} \right] [B]=\left[\begin{matrix} 34 & -20 & 0 \\ 25 & 45 & -9 \\67 &-9 & 22 \end{matrix} \right]
Using MATLAB, Find
(i) A + B = C (ii) A – B = C
(iii) A B = C (iv) AB + B = C
Matrix Addition
>>A = [24 15 10; 35 20 0; 56 −20 45];
>>B = [34 −20 0; 25 45 −9; 67 −9 22];
>>C = A + B
C =
58 −5 10
60 65 −9
123 −29 67
Matrix Subtraction
>>C = A – B
C =
−10 35 10
10 −25 9
−11 −11 23
Matrix Multiplication
>>C = A × B
C =
1861 105 85
1690 200 −180
4419 −2425 1170
Matrix Multiplication and Addition
>>C = A × B + B
C =
1895 85 85
1715 245 −189
4486 −2434 1192