Lesson: Matrix Multiplication Dimensions
In this lesson, we will learn how to multiply matrices.
Sample Question Videos
Worksheet: 13 Questions • 1 Video
Suppose the matrix product makes sense. We also know that has 2 rows, has 3 columns, and has 4 entries. Is it possible to determine the possible sizes of these matrices? If so, what are the possible sizes of , , and ?
Find the matrices and such that, for any matrix , and . Explain why and are not the same.
Suppose Which of the following products is defined?