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week 1 summary

# Presentations asst 3 due elementary row operations

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Unformatted text preview: row operations, echelon form, reduced echelon form, pivot position, pivot column, row reduction algorithm. General solution of a linear system, basic variables, free variables. Skills to acquire 1. Master the vocabulary and the precise meaning of every term: we will use them a lot. Dr. Marni MISHNA, Department of Mathematics, SIMON FRASER UNIVERSITY Version of: 11-Dec-09 2. Know how to obtain a reduced echelon matrix using the row reduction algorithm. Important. The elementary row operations are fundamental: right now they are the only manipulations we are allowed to do on matrices. Every question we are going to ask on linear systems and matrices will be answered using only elementary row operations. Practice Do exercises from sections 1.1 and 1.2 of the textbook: 1.1.28, 1.1.29-32, 1.2.1, 1.2.3, 1.2.7-14. Practice writing proofs with the simple statements of exercises 1.2.23-26. C EDRIC C HAUVE , B OJAN M OHAR , K AREN Y EATS 1...
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