# JHR's MA371 page

## MA371

Linear Algebra

MTRF 3 O157

Textbook: *Linear Algebra with Applications*, 8th edition, by Steven J. Leon.

John Rickert,
Associate Professor of Mathematics

**Office:** G-215A, Crapo Hall

**Phone:** (812) 877-8473

**e-mail:** john.rickert@rose-hulman.edu

CM 141

Office hours : MTRF 8 or make an appointment, or drop in.

The final exam takes place Tuesday, November 16, 2010, 1:00PM-5:00PM EDT in O157.

*Thursday, September 2*:
Sec. 1.1 #1,7,11;
Sec. 1.2 #3a,c , 5a,d,g.
Turn in these exercises on Tuesday, September 7.

*Friday, September 3*:
Section 1.2 #11,16,19.
Turn in these exercises on Tuesday, September 7.

*Monday, September 6*:
Section 1.3 #1,4,13,15,16.
Turn in these exercises on Monday, Spetember 13.

*Tuesday, September 7*:
Turn in the Section 1.1-1.2 exercises.

Section 1.4 #1,5,6,7,21.
Turn in these exercises on Monday, September 13.

*Thursday, September 9*:
Section 1.4 #13,16,24,27,33.
Turn in these exercises on Monday, September 13.

*Friday, September 10*:
Section 1.5 #3,6,11,17,25,28.
Turn in these exercises on Thursday, September 16.

*Monday, September 13*:
Section 1.6 #3,5,11,13;
page 79 (MATLAB/*Maple*) #6;
Section 2.1 #1,3a-d,4.
Turn in these exercises on Thursday, September 16.

Turn in the Section 1.3-1.4 homeworks.

*Tuesday, September 14*:
Section 2.1 #5,9;
Section 2.2 #1,4,7,9,12,13,19.
Turn in these exercises on Tuesday, September 21.

*Thursday, September 16*:
Section 2.2 #20,21;
Section 2.3 #1,3,8. Turn in these exercises on Tuesday, September 21.

Matrix Quiz, covering simple properties of matrices and determinants. You will be allowed to use *Maple*/MATLAB, but will have to show work.

Turn in the Section 1.5-2.1 problems assigned Friday and Monday.

*Friday, September 17*:
Section 2.3 #14; Section 3.1.
Read and understand the vector space axioms on page 113.

*Monday, September 20*
page 107 #4, Section 3.1 #1,3,6,9,14,15.

*Tuesday, September 21*:
Section 3.2 #2,4,5,11,15,20.

Turn in the Section 2.1-2.3 homeworks assigned last week.

*Thursday,September 23*:
Section 3.3 #2,6,9,13,20.

Turn in the homeworks assigned Friday and Monday,
Section 2.3 #14, page 107 #4, and Section 3.1 exercises.

*Friday, September 24*:
Section 3.4 #2,7,10,11,13,15.

*Monday, September 27*:
Review material through Section 3.4.

Turn in the Sections 3.2 and 3.3 homework.

*Tuesday, September 28*:
Quiz on linear independence and vector spaces.

Section 3.5 #1,2,5,7,10.

*Thursday, September 30*:
Section 3.6 #1,3,4e,5e,7,15,21,26,31,36.

Turn in Section 3.4 homework.

*Friday, October 2*:
Section 4.1 #1,2,7,9,12,15,22. We will discuss these on Tuesday.
Turn in these exercsies on Thursday.

*Monday, October 4*:
Exam #1 average was 82.3/110. Equivalent grades are A 95-110, B 80-94, C 65-79, D 50-64, F <50.

Turn in Section 3.5 and 3.6 homeworks.

*Tuesday, October 5*:
Section 4.1 #19,21. Turn in these exercsies on Monday.

*Thursday, October 7*:
Section 4.2 #1,4,5,10,13,15. Turn in these exercsies on Monday.

Turn in Friday's homework, Section 4.1 #1,2,7,9,12,15,22.

*Friday, October 8*:
Section 4.3 #4,6,8,13,14,15.

*Monday, October 11*:
Section 5.1 #1a,3,5,8,11,14,16,20,21.

Turn in Section 4.1 #19,21 and the Section 4.2 homework.

*Tuesday, October 12*:
Section 5.2 #1,3,5,12,17.

*Monday, October 18*:
Section 5.2 #1,3,5,12,17.

Turn in the Section 4.3 and 5.1 homeworks.

*Tuesday, Octber 19*:
Section 5.3 #1c, 2, 8,11.

*Thursday, October 21*:
Section 5.4 #2,9

Turn in the Section 5.2 homework.

*Friday, October 22*:
Section 5.4 #13,14,20,23,24.

*Monday, October 25*:
Section 5.5 #1,4,8,27,33,36.

Convo schedule. Class starts early! Period 3 is 9:35-10:15.

Turn in homework from Section 5.3 and 5.4 #2,9.

*Tuesday, October 26*:
Section 5.5 #10,11,17.

*Thursday, October 28*:
Section 5.6 #1,4,7,12,15.

Turn in homework from Section 5.4 #13,14,20,23,24 and Section 5.5 #1,4,8,27,33,36.

*Friday, October 29*:
Exam #2 .

*Monday, November 1*:
Section 5.7 #3,4,11,12,13,14.

Turn in homework Section 5.5 #10,11,17.

*Tuesday, November 2*:
Section 6.1 #8,9,13,21;
Section 6.2 #2a,4,9,10,11.

*Thursday, November 4*:
Section 6.3 #1e,2e,4b,13,23,24,27,29a,30a.

Turn in homework from Sections 5.6 and 5.7.

*Monday, November 8*:
Exam #3 average was 137.0 out of 150.
Equivalent grades are A 135-146 B 120-134 C 105-119..
You may use the textbook and your notes as references.

Turn in homework from Sections 6.1-6.3

*Tuesday, November 9*:
Section 6.4 #1a,5a,5f,11,14,19,23,28.

*Friday, November 12**:
Turn in Section 6.4 homework*

A few *Maple* notes.
To generate the random matrices and check their determinants in *Maple* you may use the commands

`
matel:= ran(0..1); `

for j from 1 to 100 do

M:=matrix(6,6,[ seq(matel(),i=1..36) ]):

y[j] := det(M):

od:

add( abs(signum(y[j])),j=1..100);

This may be useful for exercise 4 on page 107. (Note that the book contains the relevant MATLAB code,)

There will be three in-class exams worth 16% each.

The final exam will be worth 32%.

Homework and Quizzes will be worth 20%.

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