dm-lec9-relations - For the past two weeks Finished Chapter...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
For the past two weeks… Finished Chapter 1: Sets and Logic earn Chapter 2: Proof Learn Chapter 2: Proof Started Chapter 3: Functions and Sequences Questions? direct to Prof.Song: cape@icu.ac.kr Homework #1 graded – Average= 84.5 (Max= 100 , Min= 51 ) Homework #2 out & graded – Average= 81.4 (Max= 97 김동현, 윤철희, 정진수 Min= 34 ) nresolved cases Unresolved cases – Solutions for some problems are posted – TA will be available for the questions after class today Homework #3 out (due today!) – LATE HOMEWORK penalty will be applied jinah@cs.kaist.ac.kr CS204 Discrete Math (Fall 2009) 1 Functions, Sequences, Relations & Relations hapter 3 Chapter 3 (3.3 Relations) September 21, 2009 Function • Let X and Y be sets f: X Y • Domain (X) , Codomain (Y) ange ( ) f = { (1,a), (2,b), (3,a) } Range ( • One-to-one (injective) function • Onto (surjective) function • Bijection jinah@cs.kaist.ac.kr CS204 Discrete Math (Fall 2009) 4 Relations •A (binary) relation R from a set X to a set Y is a subset of the Cartesian product X x Y.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/04/2010 for the course COMPUTER S Cs206 taught by Professor Unkown during the Spring '08 term at Korea Advanced Institute of Science and Technology.

Page1 / 2

dm-lec9-relations - For the past two weeks Finished Chapter...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online