August 30

August 30 - CSCI 2670 Introduction to Theory of Computing...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
CSCI 2670 Introduction to Theory of Computing August 30, 2005
Background image of page 1

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

View Full DocumentRight Arrow Icon
Announcements • Homework due next Tues, Sept 6 – 1.7b, 1.8a, 1.10a, 1.15, 1.17a&b, 1.31, 1.32 • Old Text 1.5b, 1.6a, 1.8a, 1.24, 1.25 (1.15 & 1.17 are not in old text) • Office hours with TA Ryan Foster – Monday 2:30 – 3:30 – Friday 10:00 – 11:00 – Room 301 B (knock if locked) • Change in syllabus – First midterm exam Tues, September 27
Background image of page 2
Agenda • Last class – Combined regular languages – Introduced non-determinism • This week –Sect ion 1 .2 – Start Section 1.3
Background image of page 3

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

View Full DocumentRight Arrow Icon
q 1 2 3 00 0,1 1 1 M 1 1 1 2 3 10 0 0 2 1 1 2 3 0,1 1 1 1 1 2 3 0 0 1 ε Can jump to q 1 ’ non- deterministically Example Find M such that L(M) = L(M 1 ) ° L(M 2 )
Background image of page 4
NFA vs. DFA DFA NFA Exactly one arrow exiting each node for each symbol of the alphabet Number of exiting arrows can be anything from 0 to the number of nodes Each arrow is labeled only with characters of the alphabet Characters may be labeled with an empty string, ε Each string reaches exactly one state at the end of the input A string may reach several different states states at the end of the input
Background image of page 5

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

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 15

August 30 - CSCI 2670 Introduction to Theory of Computing...

This preview shows document pages 1 - 6. Sign up to view the full document.

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