Assignments from 10/20 to 10/26

MIDTERM on FRIDAY 10/28

READING

Read Sections 1.8 (pp. 80-84), 1.9, 3.1, 3.2, 3.3, 3.4, 3.5 (pp. 202-206). Note: Chapter 2 is supposed to be a prerequisite for the course. You may wish to scan it.

All problem pages needed from JRA are or will be on the Catalyst Workspace.

Due Monday 10/24 by 5PM: WebQ D

· The questions on the WebQ will use the terms “subspace,” “spanning set,” “range,” “null space” as well as linear independence and dependence. Study sections 3.2 and 3.3 and look ahead to the homework problems a bit.

· Note: This WebQ will not be set up so that you can redo it. Prepare in advance.

Due Wednesday 10/26: Written Assignment 3

Reminder 1: Write the NUMBER problems you have done IN A BOX at the top of the page. (If you have done all, you can say “all” or “all but problem X”. Or you can list the numbers you did.) You will get some credit based on this number. (Only count problems for which you got an answer that you think might be right.)

Reminder 2: Staple your papers, or use a paper clip.

· Section 1.8: Part A: Do #2 as given (answer is a quadratic function). Part B. Find the equation of the line that is the Least Squares approximation to this data (see pp.

· Section 1.9: #8 (find the inverse and use it; don’t just reduce), 16, 18, 38, 40, 46

· Section 3.3: #14, 16, 20, 26, 28

· Section 3.3: #34 and 40 (they go together)

· Section 3.4: #11 and 17 (together)

· Section 3.4: #13 and 19 (together)

· Section 3.4: #21 and 23 (together)

DO BUT DON’T TURN IN: Section 1.9 Some of 1-4, and especially 35-45 odd (check your answers in the back of the book)