1 / 7

CST229 Week 4

CST229 Week 4. Questions or concerns? Test#1 next Thursday Homework #3 due Hand back Homework #2 Reading: Chapters 5 & 7 In-Class Exercise #4a Chapter 5 – Machine to recognize languages In-Class Exercise#4b Test#1. In-Class Exercise #4a.

jada
Download Presentation

CST229 Week 4

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. CST229 Week 4 • Questions or concerns? • Test#1 next Thursday • Homework #3 due • Hand back Homework #2 • Reading: Chapters 5 & 7 • In-Class Exercise #4a • Chapter 5 – Machine to recognize languages • In-Class Exercise#4b • Test#1

  2. In-Class Exercise #4a Construct regular expressions for these languages over = {a, b}: • L = {anbm| n+m is even} • L = {w | |w| mod 3 = 0} • L = { w | number of b’s in w is divisible by 5}

  3. Regular Expressions • Construct regular expressions for these: • L1 = {a1b1} • L2 = {a2b2} • L3 = {a3b3} • L6 = {a6b6} • Ln = {an | n ≥ 0} • Lnm= {anbm| n, m ≥ 0} • Ldoublen= {anbn | n ≥ 0}

  4. CST229 Week 4 • Questions or concern? • Test#1 next Thursday • Homework #3 due • Hand back Homework #2 • Reading: Chapters 5 & 7 • In-Class Exercise #4a • Chapter 5 – Machine to recognize languages • In-Class Exercise#4b • What’s going to be on the test

  5. In-Class Exercise #4b Construct Finite Automata for these languages • L = {anbm| n+m is even} • L = {w | |w| mod 3 = 0} • L = { w | number of b’s in w is divisible by 5} • L = { w | w contains even number of a’s and even number of b’s}

  6. Finite Automata • Construct FAs for these: • L1 = {a1b1} • L2 = {a2b2} • L3 = {a3b3} • L6 = {a6b6} • Ln = {an | n ≥ 0} • Lnm= {anbm| n, m ≥ 0} • Ldoublen= {anbn | n ≥ 0}

  7. Next Thursday 2/6 • First hour • Talk about Lab#1 • Last minute questions about the test • Second hour ++ • Test#1 • Covers Homeworks #1 - #3 • Set theory • Permutations / Combinations • Chapter 2 problems • Chapter 3 problems • Chapter 4 problems • Open notes / Open book

More Related