Homeworks

You need 8 (of 12) approved exercises to qualify for the exam. You will find marked shelves for hand-ins at 3rd floor, Nordre lavblokk, Sentralbygget.

Hand-in days depend on exercise groups. For groups with homework sessions on Monday or Tuesday (group 1–14), the hand-in time is Thursday at 12:00 the same week. For groups with homework sessions on Thursday or Friday (group 15–30), the hand-in time is Monday at 12:00 the following week.

You can get a list of which exercises have been approved.

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

Exercises 1, 9, 10, 17, 20, 23, 24, 31, 32, 37, 38, 40, 49, 51, 56 on page xviii of the course book.
Hand-in days: Thursday 16. of January or Monday 20. of January, depending on group (see above).
Solutions

Exercises 7, 8, 10, 27, 28, 34 on page xxvii of the course book.
Exercises 4.1.6, 4.1.7, 4.1.9, 4.1.20, 4.1.21, 4.1.23, 4.1.27 on page xliv of the course book.
Problem 1 from Spring 2010.
Hand-in days: Thursday 23rd of January or Monday 27th of January, depending on group.
Answers to odd-numbered exercises
Solutions

p. lv: 4.3.5, 4.3.11, 4.3.22, 4.3.30
p. lxii: 4.4.11, 4.4.16
p. lxxi - lxxii: 4.5.4, 4.5.5, 4.5.21, 4.5.26, 4.5.30, 4.5.37
Hand-in days: Thursday 30th of January or Monday 3rd of Frebruary, depending on group.
Answers to some exercises
Solutions

p. lxxvi: 4.6.9, 13;
p. lxxxiv: 4.7.2, 3, 10, 13, 14, 17;
p. 10: 1.1.2, 3, 4, 9, 10.
Hand-in days: Thursday 6th of February or Monday 10th of February, depending on your group.
Solutions

p. 10-11 (ch 1.1): 28,31;
p. 21-23 (ch 1.2): 5,6,11,16,28;
p. 32-33 (ch 1.3): 3,9,13,22;
p. 40-42 (ch 1.4): 4,5,14,25,26.
Hand-in days: Thursday 13th of February or Monday 17th of February, depending on your group.
Solutions

p. 41 (ch 1.4): 31;
p. 47-49 (ch 1.5): 11,23,39;
p. 54 (ch 1.6); 3;
p. 60-62 (ch 1.7) 3,9,20,21,27;
p. 68-70 (ch 1.8) 3,11;
Hand-in days: Thursday 20th of February or Monday 24th of February, depending on your group.
Solutions

p. 78-79 (ch 1.9): 8,9,13,34,35;
p. 87 (ch 1.10): 10;
p. 100-101 (ch 2.1); 2,11,12,33;
p. 109 (ch 2.2) 1,2,5,12,13;
Hand-in days: Thursday 27th of February or Monday 3rd of March, depending on your group.
Solutions

Problem 8.1 from Spring 2010 exam;
p. 109-110 (ch 2.2): 14, 19, 32, 35;
p. 115-116 (ch 2.3): 3, 6, 11a&b, 12a&c, 17, 34;
p. 167-168 (ch 3.1): 3, 10, 22
Hand-in days: Thursday 6th of March or Monday 10th of March, depending on your group.
Solutions

p. 175-177 (ch 3.2): 10, 11, 26, 31, 39;
p. 195-197 (ch 4.1): 1, 2, 3, 4, 7, 12, 15, 18, 31;
Problem 5 from Spring 2013;
Hand-in days: Thursday 13th of March or Monday 17th of March, depending on your group.
Solutions

p. 205-207 (ch 4.2): 9, 12, 26, 35;
p. 213-215 (ch 4.3): 5, 11, 16, 32;
p. 222-224 (ch 4.4): 2, 7, 19;
p. 229-230 (ch 4.5): 6, 14, 20;
Problem 4 and 5 from kont 2011;
Hand-in days: Thursday 20th of March or Monday 24th of March, depending on your group.
Solutions

p. 237 (ch 4.6): 6, 27;
Problem 4 from Fall 2011;
p. 260-261 (ch 4.9): 1, 11;
p. 271-273 (ch 5.1): 6, 11, 26, 32;
p. 279-280 (ch 5.2): 9, 25, 20;
p. 286-287 (ch 5.3): 4, 13, 23
Hand-in days: Thursday 27th of March or Monday 31st of March, depending on your group.
Solutions

Problem 6 from Kont 2012;
p. 300-301 (ch. 5.5): 1, 7, 16;
p. xlviii (ch. 4.2, Polking): 3;
Problem 8 from Spring 2012;
p. 317-318 (ch. 5.7): 2, 3, 6, 8, 11;
p. 336 (ch. 6.1): 3, 5, 10, 13.
Hand-in days: Thursday 3rd of April or Monday 7th of April, depending on your group.
Solutions

These are recommended exercises for the final sections of the course. They are not for assessment, except that those who only have 7 approved homeworks can have this one approved. Specific details on how to get them approved will be posted later.

p. 344-345 (ch. 6.2): 3, 9, 14, 20;
p. 352-353 (ch. 6.3): 6, 7, 17;
p. 358-359 (ch. 6.4): 3, 10;
p. 366-367 (ch. 6.5): 1, 6, 9, 19;
p. 374-375 (ch. 6.6): 2, 9;
p. 399-400 (ch. 7.1): 11, 18, 35;
p. 406-407 (ch. 7.2): 11, 12
Solutions