Department of Computer Science

University of California Davis

ECS 20 - Discrete Mathematics for Computer Science


Announcement:

HW8 grades and solution have been posted. Please report the error to me before Jun 12th if any.  

 

All the graded HWs have been put in a box outside Professors office for picking up.  

 

On Final week, the OH would be assigned to Jun 10th and Jun 12th 10:00 AM 12:00, the same place.

 

HW7 Grades and Solution have been posted.

 

HW5 Grades have been posted. Please check all the grades, and let me know promptly if any errors. 

Solutions to HW3, HW4 and HW5 have been posted.

HW3 and HW4 Grades have been posted. 

Due to the midterm, office hour on May 15 would be rescheduled to May 13 (2:00 pm 4:00 pm).

Solution to HW3 has been posted and solution to HW4 will be posted by May 13.

HW2 Grades have been posted.

HW1 Grades have been posted.

 


 

Semester:  Spring 2008

Teaching Assistant: Kefeng Tan 
Office Hours: Wed 3:00 - 5:00 pm, Thur 1:00 - 3:00 pm, place has changed to Room 2236 (Floor 2R) Kemper Hall
Phone: (530) 754-8188

Email: tank@cs.ucdavis.edu

 

Discussion Session:  Sec.20-A01,80 ScoSci,1:10pm - 2:00pm;

                       Sec.20-A02,1060 Bainer, 2:10pm - 3:00pm

Related Links

*       Class Main Website (Dr Zhaijun Bai's website) 

*       Homework Grades 


PLEASE REPORT ANY ERRORS AND INCONSISTENCIES THAT YOU MAY FIND IN THIS WEBSITE BY EMAIL.   

Date

discussion content

Handout

Related chapter 

Week 1

   apr 4

 

 

 

LECT: Compund proposition and logical expression

 Handout1

  Sec 1.1, 1.2, 1.3

  HW Solution #1 (Thanks for helps from Kyle Sherby and Jessica Campbell)

Week 2

   apr 11

 

 

 

LECT: Set and Function   

 Examples 12 (2.2) 27(2.3) in the Textbook (Solution is available in the appendix of textbook)

  Sec 2.1, 2.2, 2.3

 

Week 3

   apr 18

 

 

 

LECT: Reviews 

Handout2 

Chapter 1 & 2

HW Solution #2 

Week 4

   apr 25

 

 

 

LECT: Algorithms, complexity and big-O notation

  Example problems 3.1.49, 3.2.61, 3.2.43 from the textbook (Solution is available in the appendix of textbook)

    Sec 3.1, 3.2, 3.3  

Week 5

   may 2

 

 

 

LECT: Integer division and modular arithmetic 

  Example problems 3.2.27, 3.4.22, 3.4.25, 3.5.35 (Solution is available in the appendix of textbook)

    Sec 3.2, 3.4, 3.5

 

  may 9

 

 

 

LECT: Induction and recursive algorithm

   Examples: Ex4 (P270), Ex10 (P274), Ex1 (P311), Ex5 (P314)  

     Sec 4.1 4.4   

HW Solution #3 Thanks for help from Cathy Cao

Week 7

  may 16

 

 

 

LECT: Chap4 and Midterm1 Review 

  Ex3 (P312), Ex4 (P296),

  Midterm1: Prob 1, 4, 5

HW Solution #4,  HW Solution #5

Week 8

  may 23

 

 

 

LECT: Chap 5 - Pigeonhole and permutation 

 

HW Solution #6  

Week 9

 may 30

 

 

 

LECT: Chap 7 - Recurrence relations

  

HW Solution #7  

Week 10

 jUN 6 

 

 

 

FIANL WEEK (TDB)

   

HW Solution #8