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Notes

MATH132

Dinesh Rajah English 1 page

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Week 9 Algebra - Elementary Matrices

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When solving linear systems, we learned that there are three basic classes of elementary row operation

- Multiplying a row by a (nonzero) constant

- Swap two rows

- Add a multiple of one row to another

Matrix Inversion:

- We can use Matrix inversion to compute the identity of a matrix A:

AX = I

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Note on MATH132, created by Dinesh Rajah on 31/05/2017.
Created by
Dinesh Rajah · May 2017
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May 31, 2017
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