44 Videos for "matrix"

Solving Linear Systems Using Matrix Algebra  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to convert a system of linear equations into a matrix equation and solve it. 
Solving Linear Systems Using Matrix Algebra  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to solve three linear equations in three unknowns using the TI84 to find the inverse of the coefficient matrix. 
The Inverse of a Square Matrix  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine that a matrix has no inverse using row operations. 
The Inverse of a Square Matrix  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to find the inverse of a square matrix of order 3 using row operations. 
Solving Linear Systems Using Matrix Algebra  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to solve two linear equations in two unknowns using matrix algebra. 
Solving Linear Systems Using Matrix Algebra  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to solve three linear equations in three unknowns using matrix algebra. 
The Inverse of a Square Matrix  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to find the inverse of a square matrix of order 2 using row operations. 
The Identity Matrix  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine the identity matrix of order n. 
The Inverse of a Square Matrix  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses. 
Matrix Operations  Concept
Math › Algebra 2 › Matrices
How to use simple matrix operations. 
Matrix Operations  Problem 3
Math › Algebra 2 › Matrices
Using matrix operations to solve matrix equations 
Matrix Multiplication  Concept
Math › Algebra 2 › Matrices
How to multiply matrices. 
Matrix Multiplication  Problem 1
Math › Algebra 2 › Matrices
How to multiply two by two matrices. 
Matrix Multiplication  Problem 2
Math › Algebra 2 › Matrices
How to multiply matrices with differing dimensions. 
Matrix Operations  Problem 2
Math › Algebra 2 › Matrices
How to multiply matrices by a scalar multiple. 
Matrix Operations  Problem 1
Math › Algebra 2 › Matrices
How to add matrices. 
Matrix Multiplication  Problem 3
Math › Algebra 2 › Matrices
Vertically aligning matrices as a tip for multiplying matrices 
Matrix Operations  Problem 4
Math › Algebra 2 › Matrices
Adding and subtracting matrices as a method of organizing multiple sets of values in a word problem 
Square Matrices  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that two matrices are inverses (in the sense of matrix multiplication). 
Augmented Matrices  Problem 1
Math › Algebra 2 › Matrices
How to solve a system of linear equations using an augmented matrix.