Old 10-14-2009, 02:05 AM   #141
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Default Re: Solve this equation for me

F(X,Y,Z) = (X\wedge{Y}) \vee (\neg{X} \wedge{Z})
G(X,Y,Z) = (X\wedge{Z}) \vee (Y \wedge \neg{Z})
H(X,Y,Z) = X \oplus Y \oplus Z
I(X,Y,Z) = Y \oplus (X \vee \neg{Z})
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Old 10-14-2009, 08:11 AM   #142
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Default Re: Solve this equation for me

That question is really easy -- hit me with something harder (PS you don't need a calculator or computer to do that problem)

leonid: Good job! That is my solution, too

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Old 10-14-2009, 08:20 AM   #143
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Default Re: Solve this equation for me

Dude why didn't I hear about this contest I could do all of these problems without much issue -- next time there's a contest like this, someone tell me, lol. These problems are very Project Euler-esque.


I wonder if Leonid would enjoy Project Euler? It's a lot of fun... I kinda stopped playing it but I might get back into it.

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Old 10-14-2009, 08:50 AM   #144
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Default Re: Solve this equation for me

I started solving Project Euler problems like 3 years ago, but I'm more into code golfing =P and I don't have time to dig in both.
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Old 10-14-2009, 09:10 AM   #145
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Default Re: Solve this equation for me

I am so bad at code golfing I need to know a crapton more syntax before I can start playing codegolf more effectively.
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Old 10-14-2009, 09:17 AM   #146
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Default Re: Solve this equation for me

I believe code golfing is one of the fastest ways to learn new languages lol

(but you'll never learn anything related to classes or networks etc i.e. those that will never be used in golfing =P)
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Old 10-14-2009, 09:19 AM   #147
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Default Re: Solve this equation for me

WELL ROSETTA STONE CLAIMS TO BE THE FASTEST WAY TO LEARN A NEW LANGUAGE, GUARANTEEDDDDdd
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Old 10-14-2009, 09:43 AM   #148
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Default Re: Solve this equation for me

btw I'm trying to solve that lattice point problem now..

I figured out it has at least 16 common lattice points, but I'm stuck at this point.

Also, I relied on using computer as well =/


edit: argh, I'll try it after the exam. I blame my brain
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Old 10-14-2009, 09:53 AM   #149
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Default Re: Solve this equation for me

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Thread over.
lol
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Old 10-14-2009, 10:02 AM   #150
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btw I'm trying to solve that lattice point problem now..

I figured out it has at least 16 common lattice points, but I'm stuck at this point.

Also, I relied on using computer as well =/


edit: argh, I'll try it after the exam. I blame my brain
recursive triangle logic will make things a lot easier imo

hint: you know how big each square is, and you know that the dimensions of the encapsulating triangles over the inscribed square must be 689 by 1320 by 1489
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Old 10-14-2009, 10:05 AM   #151
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recursive triangle logic will make things a lot easier imo

hint: you know how big each square is, and you know that the dimensions of the encapsulating triangles over the inscribed square must be 689 by 1320 by 1489
That's exactly where I'm at right now.

I haven't heard of recursive triangle logic though..

Got to go to school now. Later.
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Old 10-14-2009, 10:28 AM   #152
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code golfing
rofl, awesome game/concept/whatever, except i feel like the best language to use in most situations is something really obscure.
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Old 10-14-2009, 10:31 AM   #153
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I personally golf with python -- I think leonid uses Ruby
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Old 10-14-2009, 10:55 AM   #154
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Default Re: Solve this equation for me

Hey MrRubix,
Do the glass balls break on floors greater than X and not break on floors less than X and crack on floor X?

Or do the glass balls break on floors greater than or EQUAL to X and not break on floors less than X?
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Old 10-14-2009, 11:11 AM   #155
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Yeahhh, I've never really heard of Ruby except in the context of code golf, and I've never done anything in Python. Majority of my programming experience is Java, C, and C++.

Also, most of thsoe USAMTS don't look terribly challenging.. unfortunately, I suck at proofs. =[
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Old 10-14-2009, 11:14 AM   #156
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Default Re: Solve this equation for me

To the average man this thread has gone from nonsense to systematic chaos.
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Old 10-14-2009, 11:53 AM   #157
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Hey MrRubix,
Do the glass balls break on floors greater than X and not break on floors less than X and crack on floor X?

Or do the glass balls break on floors greater than or EQUAL to X and not break on floors less than X?
Depends on how you want to frame it -- I mean, if floor X is where the spheres break, then they also break on X+1 etc but not X-1
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Old 10-14-2009, 12:26 PM   #158
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Default Re: Solve this equation for me

Hey guys I'm back
Looks like someone actually knows about codegolfing..

I'm kinda good at it



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To the average man this thread has gone from nonsense to systematic chaos.
It's all rubix's fault
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Old 10-14-2009, 01:09 PM   #159
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Default Re: Solve this equation for me

Does the lattice problem require modulo/observing integers?
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Old 10-14-2009, 01:59 PM   #160
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Default Re: Solve this equation for me

By the way Guru, that really is pre-high school math. What you're doing now is an introduction to much harder topics in Algebra II (I hope, otherwise your school fails).

As for sharing complicated problems... I didn't have any math homework in any of my college courses (well, I did, but since none of them were graded, I didn't do any of them), so I have none of those to share. But I do have this!

This was just a generic IT class. The professor was too busy with her job to bother to lecture us, so she'd continue her office work on a laptop in the room while she put some old IT history film on.

Then we got landed with this:


PLEASE PERFORM THE FOLLOWING TAKS (A) “DEFINE” EACH TERM BY INCLUDING WHAT (OR WHO) IT IS, AND (B) WHY IT IS IMPORTANT FOR BUSINESS STUDENTS TO KNOW THIS INFORMATION IN THE CONTEXT OF BEING A GLOBAL MANAGER IN AN INFORMATION SYSTEMS AGE. 3-4 SENTENCES EACH TERM IN YOUR OWN WORDS




3COM
ALOHAnet
Andy Bechtolsheim
AOL
ARPA
ARPAnet
AT&T
Bandwidth
BBN
Berkeley UNIX
Bill Joy
Bob Kahn
Bob Metcalfe
Bob Taylor
Browser
CERN
Cisco Systems
Click
Cold War
Domain Name
e-Commerce
e-Business
Eric Schmidt
Ethernet
ExCite
Frank Heart
FTP
GUI
Honeywell
Host
HTML
HTTP
Hypertext
Hyperlink
IMP
Internet
InterNIC
IP
J.C.R. Licklider
Java
Javascript
John Doerr
John McAfee
Killer Application
Larry Roberts
Leonard Kleinrock
Local Area Network
Mainframe
Marc Andreessen
Metcalfe's Law
MIT
Modem
MOSAIC
NASA
Netscape Communications
Node
Norm Abramson
Novell
NSF
Packet
Packet Switching
President Eisenhower
President Kennedy
Protocol
Ray Tomlinson
Raytheon
Rep. Frederick C. Boucher
Robert Cringley
Router
Sandy Lerner
Scott McNealy
Search Engine
Severo Ornstein
Sputnik
SRI
Technology Standards
Stewart Brand
Sun Microsystems
Surf the Web
TCP/IP
Ted Nelson
TELNET
Tim Berners-Lee
University of California at Los Angeles
University of California at Berkeley
University of Utah
Unix
URL
Venture Capital
Vinod Khosla
Vint Cerf
Whole Earth ‘Lectronic’ Link (WELL)
World Wide Web Consortium
Xanadu
Xerox PARC


This piddly little assignment was worth five points. For each term she felt you didn't elaborate on enough (and honestly, how can you elaborate on the business context of people?), you lost a point. Most people got 0/5 on this assignment.

Now here's the best part. This was a night class. It ran from 7:30 to 10:00. This assignment was given to us at the end of class and it was at that time that we were told it was due at noon the next day. We had 14 hours to do this, assuming you didn't sleep or have other classes in the morning.

Oh, I almost forgot. She did this two more times after this assignment. Same concept--paragraph-length definitions and business context for names, places, dates, technology, etc. I recall having to define "keyboard", "techie", "monitor", "killer application", etc.

This was the same teacher who also made us present a stupid, meaningless company bio on some random tech companies. Wouldn't be a problem, except for this:

Presentation 1 Guidelines

6. The project shall be done / submitted using PowerPoint Version 2003.
7. The file shall be entitled “company.ppt” where company is the name of your selected company.
8. There shall be no spaces in the file name.
9. There shall be at most 5 total slides, plus reference information slides (which does not count in the 5 pages.)
10. All slides must use WHITE as their background color. (You can shade tables, graphics, highlight text etc….)
11. All tables, charts, text, captions, illustrations, graphics, etc shall be newly created by you. Under no circumstances shall any information be copied and pasted into the slides from third party sources. The only exception is using company logos or copyrighted graphics. This means you need to properly cite all artwork; certainly you can take ideas from sources, please just reference them.
12. All fonts must be either from Arial or Verdana families. No other font types can be used.
13. No font smaller than 9 point shall be used on slides, including captions.
14. The font size for header or footer items shall be exactly 8 point.
15. Any figures, tables, charts, text, captions, illustrations, graphics, etc shall have a title and properly labeled for horizontal AND vertical axis. Be sure to state assumptions.
16. Presentation shall use a standard outer bullet color and type
17. Presentation shall use a standard inner bullet type and color
18. No more than 2 levels of bullets shall be used on any slide
19. All slides, except the title slide, shall have a page number in the bottom right corner
20. All slides shall have footer with the company name on it.
21. Any presentation, which is hard to read or has spelling errors, will drop a letter grade.
22. Don’t forget all of your references need to be in a SOM accepted standard format!!
23. All presentations shall be uploaded on the class blackboard, so that class members can print advance copies of slides, See syllabus for dates.
24. Each team shall print one full-page color copy for the Professor and bring to the presentation on respective dates.
25. Students are responsible for printing their own hard copies.
26. The Project Grade will be broken down into the following areas: (1) completeness of content, (2) accuracy of information and proper sources of information, (3) slide formatting (look and feel), (4) oral presentation, (5) Business Professional Dress, and (6) Peer Review. Based on this method of calculating grades, each student may get different grades from team members.
27. Completeness of Content is worth, 20%
28. Accuracy of Information & proper reference citation is worth15%
29. Slide Formatting is worth 15%
30. Oral presentation is worth 20%
31. Any student not submitting an adequate peer review will be penalized 15% off their grade:
32. Any student not dressed for a business presentation will be penalized 15% off their grade:
33. Each team is limited to 5 minutes for their entire presentation 1. This includes where to stand, introducing team members, and changing slides.
34. A good practice for presentations is to present each slide in approx 1 minute or less.
35. Each person of the team will present no more than 2 slides per Presentation. Team members will not know their actual slide assignment until the day of the presentation.
36. Students are not permitted to look at the slides while presenting the information. Anyone reading the slides will get a zero.
37. Students are not allowed to use notes during the presentation. Any student using notes will get a zero.
38. All students in the team are expected to answer questions about the company from the class or professor.
39. Any presentation, which goes over allocated time, will be penalized.

Check out #35, in case you missed it in the sea of insanity. "Team members will not know their actual slide assignment until the day of the presentation." So, this assignment had 5 slides. Each team had 3 members. So you give the hardest slide to one guy and give two each to the other two. Problem is, you don't know if you're presenting your own slide or not! And because of #36 and #37, you can't even look at the presentation or notes!


The teacher is now fired and everybody got an A in the class due to her incompetence.

Do I win the game?

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