Sophia Learning
Sophia: Zero Determinant: Lesson 3
This lesson goes over matrices with a determinant of zero. It is 3 of 7 in the series titled "Zero Determinant." [2:14]
Sophia Learning
Sophia: Zero Determinant: Lesson 4
This lesson goes over matrices with a determinant of zero. It is 4 of 7 in the series titled "Zero Determinant." [2:44]
Sophia Learning
Sophia: Zero Determinant: Lesson 5
This lesson goes over matrices with a determinant of zero. It is 5 of 7 in the series titled "Zero Determinant." [2:47]
Sophia Learning
Sophia: Matrix Multiplication: Lesson 2
This lesson introduces matrix multiplication, distinguishes it from multiplying by a scalar, and provides examples of the operation. It is 2 of 2 in the series titled "Matrix Multiplication."
Sophia Learning
Sophia: Matrix Multiplication: Lesson 9
This lesson introduces matrix multiplication, distinguishes it from multiplying by a scalar, and provides examples of the operation. It is 9 of 2 in the series titled "matrix multiplication."
Sophia Learning
Sophia: Using Determinants to Classify 3x3 Matrices: Lesson 4
This lesson demonstrates how the determinant of a 3x3 matrix can be used to tell whether or not the matrix represents a dependent linear system, an inconsistent linear system, or neither.
Other
Study Force: How to Multiply a Row Vector to a Matrix
This video models clearly how to multiply a row vector, which is equivalent to a one-column matrix, by a matrix. It explains that the dimension of the resultant matrix will have the number of rows of the first matrix and the number of...