### 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.)

#### 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.
- HW 1 (due Thurs Aug 30): Ross: p15: 1,2,3, 5, 24; chap 2: 1, 3, 10, 12
- HW 2 (due Thurs Sept 6): Ross: p49: 15, 19, 36 43 ; p 53: 16 (Hint look at 11.)
- HW 3 (due Thurs Sept 13): Ross: p 97: 3.2, 3.7, 3.10, 3.17; p 106: 3.1, 3.6
- 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
- HW5 (due Thurs Sept 27) Ross: chap 4: 4.38; chap 4 (theoretical) 4.15; chap 5: 5.1, 5.4, 5.6, 5.7

#### Test 1

Tue, Oct 2 (in class)

#### 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.

- Handout on Gaussian elimination and LU decompositions

Homework:
- HW 1 (due Thurs Aug 30): Strang: Sect 1.3: 6, 10, 18; Sect 1.4: 6, 13, 17; Sect 1.6: 4, 6
- 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
- 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
- HW 4 (due Thurs Sept 20): Strang: 2.3: 2, 5, 6, 11, 13, 19, 25, 33, 34, 37
- HW 5 (due Thurs Sept 27): Strang: 2.4: 3, 5, 7, 8, 17, 23; 2.6:6, 7, 22, 25, 36

#### Test 1

Tue, Oct 2 (in class)