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# front43intro - If A and B are the points A =(1-1 B =(4 2...

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Math 43, Survey of Linear Algebra Fall 2007 B. Dodson

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2 1. Course Info 2. Week 1 Homework: ﬁrst day Graded homework 1 will be due and collected on Monday, Sept. 3, consisting of pg. 56 - #3 and pg. 26 - #20 (show your work, not just the answer). Suggested homework 1 will be due on Wednesday, Sept. 5, consisting of the problems on graded hw 1 plus 1.1 - 5d, 7, 10, 11, 19, 21; 1.2 - 2, 9, 30. Problems on the suggested homework, but not on the graded homework are not collected, but will be used for quiz and exam topics. corrected versions!
3. Oﬃce Hours: Mon, Fri: 12:15 - 1:15 and Tues: 11:30-12:30 and by appt. (email: bad0) Second day. 4. Problem 5(a), Section 1.1, pg. 13:

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Unformatted text preview: If A and B are the points A = (1 ,-1) , B = (4 , 2) draw the vector-→ AB then compute and redraw-→ AB as a vector in standard position. Solution:-→ AB =-→ OB--→ OA, where O = (0 , 0) is the origin. Sketch! (continued . . . ) 4-→ AB =-→ OB--→ OA = [4 , 2]-[1 ,-1] = [4-1 , 2-(-1)] = [3 , 3] . (Sketch of-→ AB =-→ OC for C = (3 , 3) . ) 5. linear combinations, standard cordinates and new coordinates. We also covered 1.1 - #11, 20, pg. 14 6. dot product, right angles and orthogonal vectors. We also started Section 1.2 and covered 1.2 - #1....
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front43intro - If A and B are the points A =(1-1 B =(4 2...

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