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Algebra 56 - A Geometrical View of Gauss-Jordan Elimination -
Although Gauss-Jordan Elimination is typically thought of as a purely algebraic process, when viewed geometrically, this process is beautiful and amazing, providing insights into the underlying mechanisms of the matrix transformations...
Why U
Algebra 53 - Elementary Row Operations
Once a system of linear equations has been converted to augmented matrix form, that matrix can then be transformed using elementary row operations into a matrix which represents a simpler system of equations with the same solutions as...
Why U
Algebra 55 - Gauss-jordan Elimination
A system of linear equations in matrix form can be simplified through the process of Gauss-Jordan elimination to reduced row echelon form. At that point, the solutions can be determined directly from the matrix, without having to...
Why U
Algebra 52 - An Introduction to Matrices
Matrices are an important class of mathematical object used in many branches of mathematics, science and engineering. This lecture also introduces augmented matrices, a compact easy-to-manipulate representation of systems of linear...
Why U
Algebra 54 - Gaussian Elimination
A system of linear equations represented as an augmented matrix can be simplified through the process of Gaussian elimination to row echelon form. At that point the matrix can be converted back into equations which are simpler and easy...
TMW Media
Row Equivalent Matrices
This program covers the very important topic of calculating matrix determinants. The determinant of a matrix is a mathematical operation that turns up in a great many problems. We explain what a matrix determinant is and why it is...
Professor Dave Explains
Types of Matrices and Matrix Addition
An overview of the types of matrices and how to perform matrix addition.
Professor Dave Explains
Manipulating Matrices: Elementary Row Operations and Gauss-Jordan Elimination
How do perform Gauss-Jordan elimination.
Professor Dave Explains
Understanding Matrices and Matrix Notation
An introduction to matrices and matrix notation
Khan Academy
Khan Academy: Linear Algebra: Reduced Row Echelon Form 3
Video shows another example of using matrices and reduced row echelon form to simplify a system of 3 equations in 4 variables. Explains how to determine how many solutions the system will have by looking at the reduced row echelon form....
Khan Academy
Khan Academy: Linear Algebra: Reduced Row Echelon Form 1
Video shows how to use matrices and reduced row echelon form to simplify a system of 3 equations in 4 variables. Shows how the system relates to vectors to help visualize what the solution represents. This video also appears in the...
Khan Academy
Khan Academy: Linear Algebra: Reduced Row Echelon Form 2
Video shows example of using matrices and reduced row echelon form to solve a system of 3 equations in 3 variables. This video also appears in the strand Algebra: Matrices. [7:37]
Khan Academy
Khan Academy: Linear Algebra: Reduced Row Echelon Form 2
Video shows example of using matrices and reduced row echelon form to solve a system of 3 equations in 3 variables. This video also appears in the strand Algebra: Matrices. [7:37]
Khan Academy
Khan Academy: Linear Algebra: Inverting Matrices (Part 3)
Video shows how to determine the inverse of a 3 by 3 matrix using the Gauss-Jordan elimination method. This video also appears in the strand Algebra: Matrices. [13:35]
Khan Academy
Khan Academy: Solving Systems by Elimination: Reduced Row Echelon Form 1
Video shows how to use matrices and reduced row echelon form to simplify a system of 3 equations in 4 variables.
Sophia Learning
Sophia: Writing Systems of Equations With Augmented Matrices #3
This lesson demonstrates how to write systems of equations as augmented matrices.
Sophia Learning
Sophia: Writing Systems of Equations With Augmented Matrices: Lesson 1
This lesson demonstrates how to write systems of equations as augmented matrices. It is 1 of 5 in the series titled "Writing Systems of Equations with Augmented Matrices."
Sophia Learning
Sophia: Writing Systems of Equations With Augmented Matrices: Lesson 2
This lesson demonstrates how to write systems of equations as augmented matrices. It is 2 of 5 in the series titled "Writing Systems of Equations with Augmented Matrices."