# MT 21001: Linear algebra.

Lectures: MWF 8:00 am-09:00am in Fulton 110.

Instructor: Dubi Kelmer, Carney 268. Email address: dubi.kelmer@bc.edu

Office Hours: Monday 4-5pm and MWF 11:00-12:00am, 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.
• The weakest homework score will be omitted.

Grading: Homework 20%; Each midterm 20%; Final 40%.

Homework problems:

• Problem set 1: Section 1.1 exe 3, 5, 7, 11, 15, 17, 19, 25 and section 1.2 exe 1, 5, 12, 13, 15, 30, 31.
Solutions due on Wednesday Sept. 14 in class:
• Problem set 2: Section 1.3 exe. 2, 4, 12, 13, 21, 25, 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 Sept. 23 in class.
• Problem set 3: Section 1.7 exe. 9, 10, 27, 28, 40 section 1.8 exe. 2, 3, 7, 19, 30, 31, 36 and section 1.9 exe. 2,7, 10, 12, 17, 25, 26, 34.
Solutions due on Wednesday Sept. 28 in class.
• Problem set 4: Section 2.1 exe. 2, 4, 7, 11, 18, 19, 22, 27 and section 2.2 exe. 1, 3, 5, 7, 11, 12, 16, 17, 32, 33, 35.
Solutions due on Wednesday Oct. 5 in class.
• Problem set 5: Section 2.3 exe. 3, 6, 8, 15, 19, 21, 26, 27, 33, 36 and section 2.5 exe. 3, 4, 11, 12, 14, 20, 24, 25, 26, 31.
Solutions due on Friday Oct. 15 in class (one class after the midterm).
• Problem set 6: 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 Wednesday Oct. 26 in class.
• Problem set 7: 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 Wednesday Nov. 2 in class.
• Problem set 8: 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 Wednesday Nov. 9 in class.
• Problem set 9: Section 4.4 exe. 4, 11, 17, 21, 27, 32, ssection 4.5 exe 3, 6, 12, 14, 26, 32 and section 4.6 exe 2, 3, 5, 8, 14, 25, 27, 30.
Solutions due on Wed. Nov 30 in class.
• Problem set 10 (last one): 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 Wed. Dec 07 in class.