Question

Matrix A has dimensions 5 x 1. Matrix B has dimensions 5 x 1. Can these two matrices be multiplied?

Answer 1

you need the second number of the matrix on the left to match the first number of the matrix on the right

Answer 2

a x b and b x c can be multiplied

Answer 3

so no

Answer 4

and you end up with a a x c matrix

Answer 5

correct

Answer 6

thank you

Answer 7

matrix multiplication occurs on ROW times COLUMN
so the LEFT matrix COLUMNS must match the RIGHT matrix ROWS