Homeworks

For those students who have only 7 of the first 12 exercises approved, it is possible to hand in exercise 13 to qualify for the exam. The exercise should be handed in at the shelve for group 1, undependent of which group you normally belong to. Deadline: November 21 (Thursday). The last exercise session will be hold as usual, note the the material of the last exercise is part of the syllabus.

You need 8 (of 12) approved exercises to qualify for the exam. The exercises should be handed in before 12:00 two days after your exercise hours. Exception: If your exercise hours are at Friday, you have to hand in Monday before 12:00. You will find marked shelves for hand-ins at 3rd floor, Nordre lavblokk, Sentralbygget.

To see your approved exercises, use this link.

Unless otherwise stated, all homeworks are set from the course text, Differential Equations, Linear algebra and its Applications.

• Exercise 1, week 35 page xviii; Questions 2, 12, 14, 16, 19, 27, 28, 30, 36, 41, 46, 52. Solutions
• Exercise 2, week 36 page xxvii: Questions 5, 12, 29, 30, 33; pages xliv-xlv: Questions 4, 5, 10, 17, 19, 25, 28; Problem 1 from Spring 2012 Exam Solutions
• Exercise 3, week 37 page lv: Questions 2, 14, 19, 27; pages lxii-lxiii: Questions 11, 16, 24; page lxxi: Questions 3, 8, 12, 21, 27; Problem 2 from Spring 2011 Solutions
• Exercise 4, week 38 page lxxvi: Questions 9, 14; pages 10-11: 2, 4, 10, 14, 18, 19; pages 21-23: 2, 4, 10, 20, 30 (read qn 29 for the definition of an underdetermined system); Problem 2 from Spring 2006. Solutions
• Exercise 5, week 39 pages 32-34: Questions 11, 15, 17; pages 40-42: Questions 3, 13, 21, 29, 30; pages 47-48: Questions 11, 33, 40; pages 53-55: Questions 3, 9, 12. (The answer to problem 1.3.11 on the back of the book, page A18, is incorrect !) Solutions
• Exercise 6, week 40 pages 60-62: Questions 2,9,19,32; pages 68-70: Questions 3,8,10,12,17,20,24,32,36; pages 78-79: Questions 2,8,18,26,30. Answers to the odd numbered questions can be found in the back of the book. Here are some hints and answers to some of the even numbered questions Solutions
• Exercise 7, week 41 pages 100-102: Questions 9, 11, 22, 27, 28; pages 109-111: Questions 3, 6, 13, 32, 33, 35; pages 115-116: Questions 3, 6, 17, 34.Solutions
• Exercise 8, week 42 pages 167-169: Questions 3, 10, 17, 22; pages 175-177: Questions 9, 13, 19, 24, 34, 40; pages 184-185: Questions 9, 11, 19, 24, 27 Solutions
• Exercise 9, week 43 pages 195-198: Questions 3, 8, 17, 32; pages 205-208: Questions 3, 19, 23, 30; pages 213-215: Questions 3, 7, 8, 13, 16, 19.Solutions
• Exercise 10, week 44 pages 222-223: Questions 4, 5, 14, 29; page 229: Questions 11, 13, 22, 24; pages 236-237: Questions 3, 6, 15, 21; pages 260-261: Questions 1, 8. Solutions
• Exercise 11, week 45 pages 271-272: Questions 7, 13, 17, 27; pages 279-280: Questions 6, 11, 27; pages 286-287: Questions 2, 3, 11, 27; page 300: Questions 3, 17. Problem 6 from Spring 2011 and Problem 7 from Spring 2012. Solutions
• Exercise 12, week 46 page xlviii: Question 2; page 318: Questions 2, 3; pages 336-337: Questions 2, 5, 8, 9, 14, 18, 23; pages 344-345: Questions 1, 10, 13, 19; Problem 8 from Spring 2012. Solutions
• Exercise 13, week 47 page 352: Questions 5, 9, 13; pages 358-359: Questions 2, 9; pages 366-367: 3, 7, 10, 20; page 374: Questions 3,5,9; pages 399-400: Questions 20, 23,29; page 407: Questions 9, 14. Solutions