Elementary Row Operations

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In this video, I introduce the three elementary row operations.

Video Outline:
0:00 Review three operations for linear systems
1:48 Elementary row operations construction
2:39 Elementary Row Operations
3:22 Example of 1st elementary row operation
3:50 Example of 2nd elementary row operation
4:15 Example of 3rd elementary row operation
5:00 Remark - Elementary row operations are reversible
5:10 How to "reverse" the 1st elementary row operation
5:20 Example - "reversing" 1st elementary row operation
5:42 How to "reverse" the 2nd elementary row operation
6:00 Example - "reversing" 2nd elementary row operation
6:31 How to "reverse" the 3rd elementary row operation
7:04 Example - "reversing" 3rd elementary row operation
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Thank you! And upload more topics about matrix.

gullmir