MATH 240 Lecture Notes - Lecture 25: Elementary Matrix, Augmented Matrix, Row Echelon Form
25 Jan 2019
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For instructions on how to submit your assignment using crowdmark see canvas. Most questions in the text come in pairs. For even numbered exercises, the preceeding odd numbered exercise, and the solution in the book, may help. The rst test is on friday september 21st in class. For exercises 4, 14 and 17 rst write the linear system as an augmented matrix [a|b] and then do elementary row operations on [a|b]. Additional exercise: row reduce the following agumented matrix to reduced row. Show your working by showing the row operations you use. 1. 3 exercises 6, 9, 12, 19, 20, 24, 33(a), 34(b). Additional exercise: for vectors u = [2, 1] and v = [1, 2] draw the vectors u, v, u v and u + v in r2 and calculate u v and ||u||. 1. 4 exercises 3, 4, 10, 22, 24, 26. For exercise 40 use theorem 5 of 1. 4.
