Formula for the determinant of a 2-by-2 matrix.

math.la.t.mat.det.2x2


The formula for the inverse of a 2x2 matrix is derived. (need tag for that formula)

Created On
February 17th, 2017
4 years ago
Views
2
Type
 Video
Timeframe
 Pre-class
Perspective
 Introduction
Language
 English
Content Type
text/html; charset=utf-8

Definition of the inverse of a matrix, examples, uniqueness; formula for the inverse of a 2x2 matrix; determinant of a 2x2 matrix; using the inverse to solve a system of linear equations.

Created On
August 22nd, 2017
3 years ago
Views
3
Type
 Video
Language
 English
Content Type
text/html; charset=utf-8

Before we define the determinant of a matrix, we take a slight detour to introduce elementary matrices. These will bring us back to the beginning of the course and our old friend, row operations.

License
GFDL-1.2
Submitted At
September 11th, 2017
 3 years ago
Views
3
Type
 Textbook
Language
 English
Content Type
text/html

Pre-class quiz (four questions) on the matrix inverse to be completed by students after having watched a pre-class video on the topic.

License
CC-BY-SA-4.0
Created On
August 1st, 2016
4 years ago
View
1
Type
 Formative Quiz
Timeframe
 Pre-class
Perspective
 Introduction
Language
 English
Content Type
text/html; charset=utf-8