# MT 21003: Linear algebra.

**Lectures:** MWF 11-12 in Gasson 310
**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 (Oct. 1 and Nov. 5) and one final (Dec. 18). In addition I will have periodic short in class quizzes.

**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 Sep. 05 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 Sep. 12 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 Sep. 19 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 Sep. 26 in class.
**Problem set 5**: Sectin 1.9 exe. 2,7, 10, 12, 17,19, 25, 26,27, 34 and ection 2.1 exe. 2, 4, 7, 11, 18, 19, 22, 27
Solutions due on Friday Oct. 10 in class.
**Problem set 6**: section 2.2 exe. 1, 3, 5, 7, 12, 16, 17, 20 32, 33, 35, 37 and section 2.3 exe. 3, 6, 8, 15, 19, 21, 26, 27, 33, 36
Solutions due on Friday Oct. 17 in class.
**Problem set 7**: section 2.5 exe. 3, 4, 11, 12, 14, 18, 24, 25, 26 and Chapter 2 supplementary exe. 3, 4, 7, 15, 17
Solutions due on Friday Oct. 24 in class.
**Problem set 8**: Section 3.1 exe. 1, 10, 14, 25, 30, 37, 38, 41, section 3.2 exe. 2, 3, 9, 11, 17, 20, 25, 29, 40 and section 3.3 exe. 11, 12, 20, 27.
Solutions due on Friday Oct. 31 in class.
**Problem set 9**:Section 4.1 exe. 1, 2, 13, 22, 32, 33, ssection 4.2 exe 2, 5, 15, 17, 21, 33 and section 4.3 exe 4, 13, 14, 16, 23, 24, 25. Solutions due on Friday nov 14 in class.
**Problem set 10**: 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 nov 21 in class.
**Problem set 11**: Section 5.1 exe. 4,5, 7,8, 13, 14, 19, 25, 27, section 5.2 exe 9, 10, 18, 20, 27, section 5.3 exe 2, 3, 6, 13, 15, 24, 26, 27 Solutions due on Friday Dec 5 in class.

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