# MT 21001: Linear algebra.

**Lectures:** MWF 10-11 in Gasson 206
**Instructor:** Dubi
Kelmer, Carney 268. Email address: dubi.kelmer@bc.edu

**Office Hours:** MW 3, Th. 2, or by appointment.

**Course Syllabus in PDF **

**Textbook:** Lay, * Linear algebra and its applications * (fourth edition).

**Exams:** Two in-class exams and one final.

**Homework:** There will be weekly homework posted here. It is
due *in class*. Further information is given
below.

- No late homework will be accepted.
- The TA will grade all problems each out of 100 points.
- Write your name at the top of the first page.
- Write your solutions neatly using compete sentences.
- Staple your pages!
- The weakest homework score will be omitted.

**Grading:**Quizes 10%, homework 15%; Midterms 35%; Final 40%.

**Homework problems:**

**Problem set 1:** Section 1.1 exe 3, 7, 11, 17, 19

Solutions due on Friday Jan 17 in class.
**Problem set 2:** Section 1.2 exe 1, 3, 12, 13, 15, 31, and section 1.3 exe. 2, 4, 12, 13, 21, 25,

Solutions due on Friday Jan 24 in class.
**Problem set 3:** Section 1.4 exe. 2, 3, 4, 14, 15, 17, 19, 30, 31 and section 1.5 exe. 8, 10, 20, 27, 39.

Solutions due on Friday Jan 31 in class.
**Problem set 4:** Section 1.7 exe. 9, 10, 27, 28, 40 section 1.8 exe. 2, 3, 7, 19, 30, 31, 36

Solutions due on Friday Fev 7 in class.
**Problem set 5:** Sectin 1.9 exe. 2,7, 10, 12, 17,19, 25, 26,27, 34.

Solutions due on Friday Feb 21 in class.
**Problem set 6:** Section 2.1 exe. 2, 4, 7, 11, 18, 19, 22, 27 and section 2.2 exe. 1, 3, 5, 7, 12, 16, 17, 32, 33, 35.

Solutions due on Friday Feb 28 in class.
**Problem set 7:** Section 2.3 exe. 3, 6, 8, 15, 19, 21, 26, 27, 33, 36 and section 2.5 exe. 3, 4, 11, 12, 14, 24, 25.

Solutions due on Friday March 14.
**Problem set 8:** Section 3.1 exe. 1, 3, 10, 14, 25, 30, 37, 38, 41 and section 3.2 exe. 2, 3, 9, 10, 11, 17, 20, 22, 25, 29, 34, 35, 40.

Solutions due on Friday March 21.
li>**Problem set 9:** : Section 3.3 exe. 3, 6, 11, 12, 18, 20, 21, 23, 27, 29, 30, 31 and chapter 3 suplementary exercises 1, 9, and 16.

Solutions due on Friday March 28.
**Problem set 10:**: Section 4.1 exe. 1, 2, 5, 8, 13, 22, 32, 33, ssection 4.2 exe 2, 5, 15, 17, 21, 31, 33, and section 4.3 exe 4, 13, 14, 16, 23, 24, 25, 31, 33

Solutions due on Monday Apr 7.
**Problem set 11:**: Section 4.4 exe. 4, 11, 17, 21, ssection 4.5 exe 3, 6, 12, 14, 26 and section 4.6 exe 2, 3, 5, 8, 14, 25, 27

Solutions due on Friday Apr 11.
**Problem set 12:**: Section 5.1 exe. 5, 8, 13, 14, 19, 25, 27, 35, section 5.2 exe 9, 10, 18, 20, 27, and section 5.3 exe 2, 3, 6, 13, 15, 24, 26, 27.
Solutions due on Fri. Apr 25 in class.

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