## Math 215 Introduction to Linear Algebra

### Fall 2016

• Gauss Jordan Elimination online calculator,
• Homework Assignment & Schedule of Exams It is subject to change!
• Please do all problems for your learning but only problems in {} will be collected and graded. You will see some non-bold ones in quizzes.
Hw 1: (sec 2.1) #{16},18,{22},26,{28},32,{34} (sec2.2) #{18},{26},34,{35,36,37,38} due: Mon, Aug 29.
Quiz 1 will be given based upon on sections 2.1 and 2.2 on Wed, Aug 31.
Hw 2: (sec 2.2) 2,4,6,{8},{14},22,{46} (sec 2.3) #2,{4},8,10,{12,18,22,24},26,{27,34},36 (sec 2.4) #{2},5,{16} due: Wed, Sept 7
Quiz 2 will be given based upon sec 2.3 and 2.4 on Wed, Sept 7.
Hw 3: (sec 2.4) #20 (sec 3.1) {4},6,{8,14,16,18},22,32,{34,36} with wk 3 on Mon, Sept 12.
Note: you can use Gauss Jordan Elimination online calculator above or any graphic calculator for wk3
Hw 4: (sec 3.1) #20 (sec 3.2) {4,6},7,{10},11,{14,15} (sec 3.3) 3,{6,8},10,{12},22,36,38,{40} on Mon, Sept 19.
Exam 1 will be given on Wed, Sept 21 based on sections 2.1-3.3 and review 1 is due on the same day.
Hw 5: (sec 3.3) #{52},53,{54} (sec 3.4) 3,{4,8},9,{10} Due: Mon, Sept 26.
Note for Hw5: Do not solve the system for #3 and #4 in sec 3.4 but you can show the LU factorization for these two matrices.
Hw 6: (sec 3.4) #{4} with additional hand out (sec 3.5) 2,{4,6},8,{12,16,20,24,28},35,{38},41,{42,44,46} Due: Mon, Oct 3.
Hw 7: (sec 3.6) #1,{2},4,{6},9,{10},12,{14,16},17,{24},31,{32} with additional hand-out (sec 3.7) #37,{38(read example 3.67 in page 239)} (Final updated one!) Due: Wed, Oct 12.
Hw 8: (sec 3.7) #{52, 56 with the number of 2-paths from second vertex to forth vertex from #56} (sec 4.1) #2,{4},5,{6},9,{10},11,{12,14},17,{18,24},25 Due: Mon, Oct 17.
Hw 9: (sec 4.2) #2,4,{6},8,10,{14,16,24,26,28,30,32,36,38,46},48,50,{52,54},58,{60,64} Due: Mon, Oct 24.
Exam 2 will be given on Wed, Oct 26 based on sections 3.4-4.2 and review 2 & take home quiz8 are due on the same day.
Hw 10: (sec 4.3) #2,{4,6,10},17,18,{three more problems in the hw assignment} with wk14. This is modified version. Due: Wed, Nov 2.
Hw 11: (sec 4.4) #2,{4,6,10,11,16,20},21,{36} due: Mon, Nov 7.
You may use this site "Online matrix calculator" for checking your work! Please use it only for checking!!
2nd page of today's note is due on wed, Nov 9.
Hw 12: handout for sec 4.5 & 4.6 & (sec 5.1) #2,{4,6,8,10,14},18,{20} due: Mon, Nov 14.
Exam 3 will be given on Mon, Nov 21 based on sections 4.3-4.6 and 5.1-5.3
Hw 13: (sec 5.2) #2,{4,6,8,10,12},20,{22} & (sec 5.3) #{4,6,8,10,16,18} with review 3 together. due: Mon, Nov 21
Comprehensive Final Exam is scheduled on Wed, Dec 7 from 1:30 to 3:30. It is very important to prepare well.

• review 1
• review 2
• review 3
• review final
Department of Mathematics / Andrews University / Berrien Springs, MI 49104 USA