Contact information for Donu Arapura

Office: MATH 642
Office hours: Tue 3:00-4:00; Wed 11:30-12:30
Email address: arapura*math.purdue.edu (replace * by @)
Phone number: 494-1983
(Technical note, I'm using this to render formulas, so you'll need your browser to have javascript turned on.)

NOTE If you want to pick up old exams/homework I will hold extra office hours Wed, Dec 12, 10-12 . You can also come by Wed afternoon 1-3 to pick up exams, but I won't be available for questions.


Math 416 (Probability)

Univ 101, TR 12:00
The grade will be based on regular weekly homework (20%), 2 midterms (25% each) and the final (30%)
Book: Ross, 1st course in Probability, 9th ed.
Sorry for the disruption. I'm back, and will do a review Thurs, Dec 6. I'll also return, old tests and homeworks.
  1. HW 1 (due Thurs Aug 30): Ross: p15: 1,2,3, 5, 24; chap 2: 1, 3, 10, 12
  2. HW 2 (due Thurs Sept 6): Ross: p49: 15, 19, 36 43 ; p 53: 16 (Hint look at 11.)
  3. HW 3 (due Thurs Sept 13): Ross: p 97: 3.2, 3.7, 3.10, 3.17; p 106: 3.1, 3.6
  4. HW4 (due Thurs Sept 20): Ross: chap 4: 4.2, 4.4, 4.6 (also calculate expectation and variance), 4.10, 4.38, 4.51; chap 4(theoretical) 4.10
  5. HW5 (due Thurs Sept 27) Ross: chap 4: 4.37; chap 4 (theoretical) 4.15; chap 5: 5.1, 5.4, 5.6, 5.7
  6. HW6 (due Thurs Oct 11) Ross: chap 5: 5.14,5.15, 5.24, 5.38; (theoretical) 5.1
  7. HW 7 (due Thurs Oct 18) Ross: 6.1, 6.2, 6.3, 6.9, 6.20
  8. HW 8 (due Thurs Oct 25): Ross:5.33; 6.10, 6.23, 6.38, 6. 40 ,6.57a.
  9. HW 9 (due Thurs Nov 1): Ross: 5.39; (theoretical) 5.5; 6.42, 6.58; 7.4, 7.5
  10. HW 10 (due Thurs 8): Ross: 7.6, 7.8. 7.33, 7.37, 7.40, 7.45, 7.48 (Just so we understand each other, I am unwilling to accept homework unless you actually come to class and turn it in that way.)
  11. HW 11 (due Tue Dec 4; that's deadweek, so let's say it's due this Thurs, but I'll give everybody an extension ): Ross: 7.75; 8.1, 8.2, 8.3, 8.4

Final Exam

Fri Dec 14, 10:30 BRNG 2290
To help you study, I'm attaching an ( updated ) summary of material covered with problems. Also see Prof Ward's page for copies of several old exams + solutions.

Math 511 (Linear Algebra)

Univ 101, TR 10:30
The grade will be based on regular weekly homework (20%), 2 midterms (25% each) and the final (30%)
Book: Strang, Linear Algebra and Appl.
I'm back, and will do a review Thurs Dec 6 Will add extra office hrs to make this up.
  1. Handout on Gaussian elimination and LU decompositions
Homework:
  1. HW 1 (due Thurs Aug 30): Strang: Sect 1.3: 6, 10, 18; Sect 1.4: 6, 13, 17; Sect 1.6: 4, 6
  2. HW 2 (due Thurs Sept 6): Strang: Sect 1.4: 10, 24 (the matrices E should be elementary), 61; Sect 1.5: 4,11, 17; Sect 1.6: 26, 42 (don't use determinants); Sect 2.1: 1, 2
  3. HW 3 (due Thurs Sept 13 ): Strang: Sect 2.1: 2, 3, 11 (see prob 10 for notation); Sect 2.2: 2,6, 7, 10, 13; Sect 2.3: 1
  4. HW 4 (due Thurs Sept 20): Strang: 2.3: 2, 5, 6, 11, 13, 19, 25, 33, 34, 37
  5. HW 5 (due Thurs Sept 27): Strang: 2.4: 3, 5, 7, 8, 17, 23; 2.6:6, 7, 22, 25, 36
  6. HW6 (due Thurs Oct 11): Strang: 3.1: 1, 2, 5, 7, 14
  7. HW 7 (due Thurs Oct 18): Strang: 3.1: 18, 19, 22; 3.2: 1, 7, 8; 3.3: 7
  8. HW 8 (due Thurs Oct 25): Strang: 3.3: 12; 3.4: 2, 6, 13, 23, 32; (correction) 4.2: 1, 4
  9. HW 9 (due Thurs Nov 1): Strang: 4.2: 10, 12, 14; 4.3: 2 (A & B from 1), 3; 4.4: 3, 28, 38
  10. HW 10 (due Thurs Nov 8): Strang: 5.1: 1, 2, 3, 5; 5.2: 1, 2
  11. HW 11 (due Thurs Dec 6; that's deadweek, so let's say it's due this Thurs, but I'll give everybody an extension. Note correction! ) Strang: 5.2: 19; 5.3 23, 25; 5.4: 34, 36; 5.5: 5, 6, 9, 16acef; 5.6: 2, 3; 6.1: 1, 2; 6.2 1, 2, 6.3: 1

Final Exam

Thurs. Dec 13, 1 pm, RHPH 172
Review Problems: Go to review exercises at end of chap 2, 3, 4, 5, and do: 2.25, 2.29, 3.2, 3.6, 3.11, 3.12, 3.26, 3.28, 3.32, 4.1, 4.2, 4.3, 4.6 4.7, 4.14, 5.1, 5.2, 5.5, 5.6, 5.8. + 5.15, 5.18, 5.28; Sect 6.1: 4; Sect 6.2 # 4. Obviously you should look over old hw. etc.