JHR's MA371 page

MA371
Linear Algebra

MTRF 7 G219
John Rickert, Associate Professor of Mathematics
Office: G-215A, Crapo Hall
Phone: (812) 877-8473

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

Office hours : MTRF 8 or make an appointment, or drop in.
The average score on the final exam was 168.6 out of 200. Good work.
Equivalent scores are A: 180-192, B: 160-179, C: 140-159, D: 120-139.
Congratulations to those who figured out how to do the problem from Good Will Hunting.
For Tuesday, May 15: Section 6.4 #1,2,3, Section 6.5 #1
For Monday, May 14: Turn in Thursday's homework

The average score on the exam was 85.6. Equivalent scores were A: 90-99 B: 80-89 D: 60-69
For Thursday, May 10: Section 6.3 #4,23,25 Turn in these exercises on Monday (HW28)
Turn in Tuesday's homework
For Tuesday, May 8: Section 6.3 #1,2,3,7 Turn in these exercises on Thursday (HW27)
Turn in Monday's homework

For Monday, May 7: Section 6.1 #9,10,19, Section 6.2 #4 Turn in these exercises on Tuesday. (HW 26)
Turn in Friday's homework.
For Friday, May 4: Section 6.1 # 1,2,4,6, Section 6.2 #1 Turn in these exercises on Monday. (HW 25)
Turn in Thursday's homework.
For Thursday, May 3: Section 5.7 #2,4,11 Turn in these exercises on Friday. (HW 24)
Turn in Tuesday's homework.
For Tuesday, May 1: Section 5.6 #1,4,5,8 Turn in these exercises on Thursday. (HW 23)
Turn in Friday's homework.
Exam #2, Monday, April 30
The average score on the exam was 98.5. Equivalent scores were A: 108-119 B: 96-107 C:84-95 D: 72-83 F: <72
Average score of those who have turned in all the homeworks since exam 1: 102.1, Average score of those who have not turned in all the homeworks since exam 1: 92.2

For Friday, April 27: Section 5.5 #5,18,19,22 Turn in these exercises on Tuesday. (HW 22)
Turn in Thursday's homework.
For Thursday, April 26: Section 5.5 #1,2,4,6,7 Turn in these exercises on Friday. (HW 21)
Turn in Tuesday's homework.
For Tuesday, April 24: Section 5.4 #1,2,5,6,10 Turn in these exercises on Thursday. (HW 20)
Turn in Monday's homework.

For Monday, April 23: Section 5.3 #14,15,19,21,24 Turn in these exercises on Tuesday. (HW 19)
Turn in Friday's homework.
For Friday, April 20: Section 5.2 #4,15, Section 5.3 #1,3,4,7 Turn in these exercises on Monday. (HW 18)
Turn in Thursday's homework.
For Thursday, April 19: Section 5.1 #5,8, Section 5.2 #1,3,5,9 Turn in these exercises on Friday. (HW 17)
Turn in Tuesday's homework
The average score on Thursday's quiz was 23.4/30. Equivalent grades were A: 27-30 B: 24-26 C: 21-23 D: 18-20 F: <18

For Tuesday, April 17: Section 5.1 #1,3,7,13,14 Turn in these exercises on Thursday. (HW 16)
Turn in the Section 4.1 and Section 4.2 homeworks.

For Monday, April 16: Section 4.2 #2,4,5,9,13 Turn in these exercises on Tuesday. (HW 15)
For Friday, April 6: Section 4.1 #3,4,6,7,9,16,19 Turn in these exercises on Tuesday, April 17. (HW 14)
For Thursday, April 5: Turn in the worksheet exercises.
Exam #1, Tuesday, April 3 The exam will cover the material from chapters 1,2,3. Use of Maple is permitted. The exam will be "open book".
The average score on the exam was 81.2. Equivalent scores were A: 98-104, B 86-97, C 74-84, D 62-73, F <62
Average score of those who have turned in all the homeworks: 85.8, Average score of those who have not turned in all the homeworks: 74.7

For Monday, April 2: Finish the questions from Friday's worksheet. Turn in these exercises on Thursday. (HW 13)
Turn in the exercises from Section 3.6
Come to class with questions about the material from the first three chapters. We will spend part of the day answering questions about material relevant to the exam before moving on to new material.

For Friday, March 30: Section 3.6 #1,3,4,8,15 Turn in these exercises on Monday.(HW 12)
Turn in the exercises from Section 3.4
For Thursday, March 29: Section 3.4 #1,5,8,10,13 Turn in these exercises on Friday.(HW 11)
Turn in the exercises from Section 3.3
For Tuesday, March 27: Section 3.3 #1,4,6,8,10,11,14 Turn in these exercises on Thursday.(HW 10)
Turn in the exercises from Section 3.2
The average score on Tuesday's quiz was 15.0/20. Equivalent grades were A: 18-20 B: 16-17 C: 14-15 D: 12-13 F: <12

For Monday, March 26: Section 3.2 #1,3,4,11 Turn in these exercises on Tuesday.(HW 9)
Turn in the exercises from Sections 2.3 and 3.1
For Friday, March 23: Section 3.1 #1,3,10,14,15 Turn in these exercises on Monday.(HW 8)
For Thursday, March 22: Section 2.3 #1,3,4,9,14 Turn in these exercises on Monday.(HW 7)
Exercise 4 refers to the vector e3. This is the vector that has a one in the third position and zeros elsewhere. In general, en is the vector that has a one in the n-th position and zeros elsewhere. These are defined in page 48 of the book.
Turn in the Section 2.2 exercises.
Quiz on Thursday covering determinants and Cramer's Rule.

For Tuesday, March 20: Section 2.2 #1,4,7,10,11 Turn in these exercises on Thursday.(HW 6)
Turn in the four exercises from Section 2.1 from Thursday and Monday.

For Monday, March 19: Section 2.1 #2,6,10
Turn in these exercises on Tuesday. (HW 5)
No Class, Friday, March 16, due to the Undergraduate Conference. The talk 7th period will be given in the GM room and is entitled Computational Science and Engineering: A Case Study.
The average score on Thursday's quiz was 23.7 out of 25. Nice work! Equivalent grades were: A 23-25, B 20-22, C 18-19, D 15-17
For Thursday, March 15: Section 2.1 #1. Turn in this exercise on Tuesday.
Turn in the exercises from Tuesday.
We will have a Quiz on Thursday, covering some subset of Echelon forms, inverses, LU decomposition, applications. Use of a computer algebra system is permitted.

For Tuesday, March 13: Section 1.5 #2,4,8,9   Turn in these exercises on Thursday. (HW 4)
Turn in the exercises from Monday.

For Monday, March 12: Section 1.4 #5,8,10,   Section 7.2 #1,2,8     Turn in these exercises on Tuesday. (HW 3)
For Friday, March 9: Section 1.4 #3,4,7, Turn in these exercises on Monday.   Turn in the exercises from Tuesday and Thursday. (HW 2)

For Thursday, March 8: Sec. 1.3 #12,14,20,30 Hand in these exercises on Friday, March 9. (HW 1)
For Tuesday, March 6: Sec. 1.1 #2,4,7,   Sec. 1.2 #1,6,12,   Sec. 1.3 #1,4,10 Hand in these exercises on Friday, March 9. (HW 1)
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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