math.la.e.linsys.3x3.soln.row_reduce.z

A 3x3 matrix equation Ax=b is solved for two different values of b. In one case there is no solution, and in another there are infinitely many solutions. These examples illustrate a theorem about linear combinations of the columns of the matrix A.

- Created On
- February 15th, 2017
- 6 years ago
- Views
- 3
- Type
- Video
- Timeframe
- Pre-class
- Perspective
- Language
- English
- Content Type
- text/html; charset=utf-8

The reduced row echelon form is used to determine when a 3x3 system is inconsistent. A picture of planes in 3-dimensional space is used to provide geometric intuition.

- Created On
- February 15th, 2017
- 6 years ago
- Views
- 4
- Type
- Video
- Timeframe
- Review
- Perspective
- Language
- English
- Content Type
- text/html; charset=utf-8