Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Matrix Operations
Twenty problems present a variety of practice with matrix operations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check...
Purple Math
Purplemath: Introduction to Matrices / Matrix Size
Purplemath gives the fundamentals of matrices. Begins with linear equations of three variables and shows the corresponding matrix. Discusses the augmented and coefficient matrix formed from the equation. The size of a matrix and special...