Curated OER
MA 371 Homework 2: Matrices
In this matrices worksheet, learners solve 10 short answer problems. Students perform row operations on matrices to find compliments, inverted matrices, orthogonal matrices, etc.
Washington State University
Washington State University: Tool for Elementary Row Operations
This site from Washington State University is useful to students as it will break down and solve the matrix for them.
Math Medics
S.o.s. Math: Elementary Operations for Matrices
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Matrix Row Operations
Find a quick, concise explanation of the three basic matrix row operations. Examples are given and clearly explained for each of the operations: switching rows, multiplying a row by a number and adding rows/multiples of rows.
Wolfram Research
Wolfram Mathworld: Gauss Jordan Elimination
Mathworld provides a three step explanation of Gauss-Jordan elimination. To help you better understand the process, you can click on any of the highlighted terms for definitions.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: The Matrix of a System and Row Operations
The tutorial examines the matrix of a system and row operations. Students learn about the concepts through class notes, examples, and practice problems. Topics include a system of linear equations and augmented matrices. Review exercises...
Texas Instruments
Texas Instruments: Matrices and Vectors
In this activity, students learn to create and edit a matrix using the matrix editor. They use various features in the calculator to perform elementary row operations and convert a matrix to its reduced row echelon form. Finally they...
Other
Uww: Gauss Jordan Method
An explanation is provided regarding Gauss-Jordan method, along with a thorough example showing every step from the original system of equations to the final solution.
University College London
University College London: Elementary Row Operations
Gives the basics on when to use matrices effectively. Example is included to make things clearer.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Matrix Addition and Scalar Multiplication
Students learn about matrix addition and subtraction, and scalar multiplication. The tutorial consists of class notes, examples, and practice problems. Review exercises and a chapter quiz are included.
Math Notes and Math Tests
Pre Calculus Notes: Operations With Matrices [Pdf]
Students explore operations with matrices. Topics examined are matrix addition, scalar multiplication, matrix multiplication, and identity matrices. Class notes and examples are included.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Pivot and Gauss Jordan Tool
The learning tool investigates the Gauss-Jordan method. The tool performs row operations and reduces matrices.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Graphing Calculator Pivoting Program
The calculator program allows learners to pivot on any entry in a matrix and perform simplification.
Sophia Learning
Sophia: Row Operations: Lesson 1
This lesson introduces the basic row operations that can be performed on matrices, explaining why they are valid things to do and providing examples of each. It is 1 of 9 in the series titled "Row Operations."
Sophia Learning
Sophia: Using Elementary Row Operations to Solve Systems of Equations: Lesson 4
This lesson presents how to use elementary row operations to solve for a system of linear equations. It is 4 of 4 in the series titled "Using Elementary Row Operations to Solve for Systems of Equations."
Sophia Learning
Sophia: Row Operations: Lesson 3
This lesson introduces the basic row operations that can be performed on matrices, explaining why they are valid things to do and providing examples of each. It is 3 of 9 in the series titled "Row Operations."
Purple Math
Purplemath: Matrix Row Operations
Purplemath explains each of the elementary row operations and goes through explaining how each step is carried out and the common notation for each operation. The lesson ends with an example of how to solve an augmented matrix.