Matrix operations
July 7th, 2023
See attached document.
1) Finding the size of each matrix, finding the values of any variables, and identifying any square, row, or column matrices.
2 8 = a b
10 r c 18
2) Given the matrices
A = 4 10 B = 2 3 -2 C = 5 0 D = 6
-2 -3 2 4 0 -1 3 1
6 9 0 1 2 4 7 0
E = [1 3 -4] F = -1 4 G = 2 5
3 7 1 6
Find 3c + 2A if it exists. Be sure to show any intermediate steps.
Find AC if it exists. Be sure to show any intermediate steps.
Find ED if it exists. Be sure to show any intermediate steps.