Curated OER
What is a Matrix?
Matrix, matrices, what? The instructor demonstrates how to set up a matrix and explains the rows and columns. There are many uses for matrices and this is just the beginning.
Curated OER
Finding the Dot Product
Are you just starting a unit of vectors or matrices? Help your class learn how to find the dot product with this simplistic video tutorial. The procedure is shown as the tutor determines the dot product of A and B by transposing numbers...
Curated OER
What is a Matrix?
Matrix, matrices, what? The instructor demonstrates how to set up a matrix and explains the rows and columns, the dimensions. There are many uses for matrices and this is just the beginning.
Curated OER
How Do You Multiply a Matrix by a Scalar?
The instructor in this video shows an example of how to multiply a matrix by the scalar number.
Curated OER
Multiplying Two Small Matrices
This clip is intended to assist learners practice and assess matrices being multiplied. The tutor explains, identifies, and describes how to evaluate each matrix, he then shows how he multiplies them together. There are some steps that...
Massachusetts Institute of Technology
Mit: Blossoms: Arabesque: Where Art Meets Mathematics
Through a video lecture, students discover the visual side of the important applications of mathematics in practical life. More specifically, they will understand the relationship of mathematics and decoration or art.
Khan Academy
Khan Academy: Algebra: Matrices: Matrix Multiplication (Part 2)
This lesson goes through three examples of matrix multiplication. Explains how the dimensions of matrices affect whether or not the matrices can be multiplied, how to determine if they can be multiplied, and what size the resulting...
Khan Academy
Khan Academy: Linear Algebra: Inverse Matrix (Part 1)
Video first explains and gives examples of identity matrices. Then explains what an inverse matrix is and shows how to calculate the inverse of a 2x2 matrix. [14:14]
Other
Represent Data With Matrices hsn.vm.c.6
A clear introduction by a high school teacher to the fundamentals of how to use matrices to represent data, including the basics of what a matrix is. Includes lots of examples for different contexts. [8:55]
Sophia Learning
Sophia: Singular and Non Singular Matrices: Lesson 2
This lesson introduces the notion of a singular matrix and provides a shortcut to determine whether or not a given 2x2 matrix is singular. It is 2 of 5 in the series titled "Singular and Non-Singular Matrices."
Sophia Learning
Sophia: Using Matrices to Organize Data: Lesson 4
This lesson provides real-world examples that demonstrate how to organize data into matrices. It is 4 of 5 in the series titled "Using Matrices to Organize Data." [8:40]
Khan Academy
Khan Academy: Algebra: Matrices: Matrix Multiplication (Part 1)
A lesson on multiplying matrices. Gives an example of two 2 X 2 matrices being multiplied. Illustrates that matrix multiplication is not commutative and that the order in which matrices are multiplied is important. [13:41]
Virtual Nerd
Virtual Nerd: What Is the Commutative Property of Matrix Addition?
This tutorial explains the Commutative Property of Matrix Addition. [7:07]
Virtual Nerd
Virtual Nerd: How Do You Multiply a Matrix by a Scalar?
To multiply a matrix by a scalar, just multiply each element in the matrix by the scalar. View this tutorial to see the entire process. [2:28]
Virtual Nerd
Virtual Nerd: How Do You Find the Determinant of a 2x2 Matrix?
This tutorial illustrates an example of how to find the determinant of a 2x2 matrix. [3:37]
Virtual Nerd
Virtual Nerd: What Is a Coefficient Matrix?
Provides an introduction to coefficient matrices and illustrates how to make one. [5:49]
Khan Academy
Khan Academy: Changing Coordinate Systems to Help Find a Transformation Matrix
Changing our coordinate system to find the transformation matrix with respect to standard coordinates
Khan Academy
Khan Academy: Change of Basis: Alternate Basis Transformation Matrix Example
Example of finding the transformation matrix for an alternate basis.
Khan Academy
Khan Academy: Matrices: Reduced Row Echelon Form 2
This video shows an example of solving a system of linear equations by putting an augmented matrix into reduced row echelon form.
Khan Academy
Khan Academy: Invertible Change of Basis Matrix
Using an invertible change of basis matrix to go between different coordinate systems.
Khan Academy
Khan Academy: Linear Algebra: Inverting Matrices (Part 3)
Video shows using the Gauss-Jordan elimination method to determine the inverse of a 3 by 3 matrix. This video also appears in the strand Algebra: Matrices. [13:35]
Khan Academy
Khan Academy: Inverting Matrices: Inverting Matrices (Part 3)
Using Gauss-Jordan elimination to invert a 3x3 matrix.
Khan Academy
Khan Academy: Transformation Matrix With Respect to a Basis
Finding the transformation matrix with respect to a non-standard basis.
Khan Academy
Khan Academy: Transpose of a Matrix: Rowspace and Left Nullspace
Students explore transformations of matrices, rowspace and nullspace by watching a video tutorial.