# Math 2370: Matrices and Linear Operators 1

Instructor: Jason DeBlois (see my homepage for contact info)
Office: Thackeray 407
Office hours: M 3-4, Tu 2-3, Th 10-12
(you may also email me for an appointment)

### First day handout

Text: Linear Algebra (second edition), by Kenneth Hoffman and Ray Kunze.
Supplementary text: Linear Algebra, by Peter Lax (not required this semester).

• Homework - 30%. Assigned and collected weekly.
• Midterms 1 and 2 - 20% each.
• Final exam - 30%.

### Homework Assignments

• Homework 1 (due Friday 09/07). Section 1.2 #2,3,7, Section 1.3 #1,3,5,8, Section 1.4 #1,2,3
• Homework 2 (due Friday 09/14). Section 1.4 #6,7,8,9,10, Section 1.5 #1,3,5,6,8
• Homework 3 (due Friday 09/21). Section 1.6 #1,3,4,7,9, Section 2.1 #2,3,4,6, and the
PPotW: April 2007, Problem 4.
(A Hermitian matrix A is positive definite if X^*AX > 0 for every nx1 matrix X, where X^*
is the 1xn matrix with (1,j)-entry the complex conjugate of the (j,1)-entry of X for each j.)
• Homework 4 (due Friday 09/28). Section 2.2 #2,3,4,8,9, Section 2.3 #2,3,4,7,8,10,12, and
the PPotW: April 2006, Problem 5.
• Homework 5 (due Monday 10/08). Section 2.4 #1,4,5,7, Section 2.6 #2,3,5,6, and the
PPotW(s): August 2006, Problem 1 and April 2008, Problem 1.
• Homework 6 (due Friday 10/19). Section 3.1 #5,7,8,10,13, Section 3.2 #3,4,9,10,11,
Section 3.3 #2,3,7, and the PPotW: April 2010, Problem 1.
• Homework 7 (due Friday 10/26). Section 3.4 #2,3,5,7,8,10,12, Section 3.5 #1,3,4,5, and
the PPotW(s): April 2010, Problem 2 and August 2010, Problem 1.
• Homework 8 (due Friday 11/02 Monday 11/05). Section 3.5 #7,8,12,14,17, Section 3.6 #1,3,
Section 3.7 #1,2,5,6, and the PPotW: August 2014, Problem 2.
• Homework 9 (due Monday 11/12). Section 4.2 #1,2,3,6,7, Section 4.3 #1,2,3,4,5, and the
PPotW: August 2016, Problem 6.
• Homework 10 (due Monday 11/26). Section 4.4 #1--7, Section 4.5 #1--4, and the PPotW:
January 2000, Problem 1.
• Homework 11 (due Thursday 12/6). Section 5.2 #1,3,5,6,9,10,12, Section 5.3 #1,2,5,7,10
PPotW = "Prelim Problem of the Week"