Instructional Video4:27
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3Blue1Brown

Nonsquare Matrices as Transformations Between Dimensions | Essence of Linear Algebra, Footnote

11th - Higher Ed Standards
But what happens if the matrix is not square? The ninth video in a series of 15 serves as a footnote to discuss non-square matrices. The resource presents them as transformations between two and three dimensions. The presentation...
Instructional Video12:09
1
1
3Blue1Brown

Inverse Matrices, Column Space and Null Space | Essence of Linear Algebra, Chapter 6

11th - Higher Ed Standards
Determine the geometric representation to the solution of a system of linear equations. The resource shows how scholars can represent a system of linear equations as a linear transformation. The video discusses using an inverse...
Instructional Video10:03
1
1
3Blue1Brown

The Determinant | Essence of Linear Algebra, Chapter 5

11th - Higher Ed Standards
Determine how much a linear transformation alters area. The seventh segment in a series of 15 makes the connection between the determinant and the scale factor of areas during a linear transformation. The video goes on to explain the...
Instructional Video4:46
1
1
3Blue1Brown

Three-dimensional Linear Transformations | Essence of Linear Algebra, Footnote

11th - Higher Ed Standards
Bring it all to three dimensions. The short video points out that the discussion in the previous presentations in two dimensions also holds true for three dimensions. The sixth video in the series of 15 specifically makes the...
Instructional Video10:04
1
1
3Blue1Brown

Matrix Multiplication as Composition | Essence of Linear Algebra, Chapter 4

11th - Higher Ed Standards
Take a different view at matrix multiplication. Based on vector transformations, the video presents matrix multiplication as the result of the composition of multiple linear transformations. The presentation explains the numerical...
Instructional Video5:09
1
1
3Blue1Brown

Essence of Linear Algebra Preview

11th - Higher Ed Standards
Make connections with linear algebra. The video introduces the concept of linear algebra and its geometric underpinnings. The resource makes the case that a complete understanding of linear algebra topics should include geometric...
Instructional Video
Sophia Learning

Sophia: Writing Systems of Equations With Augmented Matrices

9th - 10th Standards
This lesson demonstrates how to write systems of equations as augmented matrices. Students can watch a tutorial video and then take a quiz.
Instructional Video
Khan Academy

Khan Academy: Linear Transformation Examples

9th - 10th Standards
Expressing a Projection on to a line as a Matrix Vector prod
Instructional Video
Khan Academy

Khan Academy: Finding Inverses of Matrices: Rule of Sarrus of Determinants

9th - 10th Standards
A alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus)
Instructional Video
Sophia Learning

Sophia: Solving a System of Linear Equations Given Two Cost Relationships

9th - 10th Standards
In this lesson, students will learn Solving a System of Linear Equations given two Cost Relationships