
Slide 1
... • However, the product BA is not defined—because the dimensions of B and A are 2 x 3 and 2 x 2. • The inner two numbers are not the same. • So, the rows and columns won’t match up when we try to calculate the product. ...
... • However, the product BA is not defined—because the dimensions of B and A are 2 x 3 and 2 x 2. • The inner two numbers are not the same. • So, the rows and columns won’t match up when we try to calculate the product. ...