Search found 118 matches

by chapel
Thu Oct 10, 2013 4:01 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1275: "int(pi)"
Replies: 95
Views: 24689

Re: 1275: "int(pi)"

ceiling(pi*pi) = 10
floor(pi*pi) = 9
ceiling(e*e) = 8
floor(e*e) = 7
floor(pi^phi) = 6
ceiling(phi^pi) = 5
ceiling(pi) = 4
floor(pi) = 3
ceiling(phi) = 2
floor(phi) = 1

Hopefully this will help people debug their programs.
by chapel
Mon Jul 02, 2012 6:41 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1076: "Groundhog Day"
Replies: 107
Views: 23126

Re: 1072: "Groundhog Day"

suso wrote:February 3rd is my birthday. :D Groundhog Day is one of my favorite movies too. Not that anybody is going to care.


Me too!
by chapel
Sun Jun 03, 2012 10:54 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1063: "Kill Hitler"
Replies: 278
Views: 62952

Re: 1063: "Kill Hitler"

xokocodo wrote:Apparently after you time travel, the windows on the machine disappear.


He changed history... obviously.
by chapel
Fri May 25, 2012 10:46 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1060: “Crowdsourcing”
Replies: 115
Views: 21537

Re: 1060: “Crowdsourcing”

Isn't this, more or less, how most job boards work?
by chapel
Sat Mar 10, 2012 4:07 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1027: "Pickup Artist"
Replies: 2030
Views: 235066

Re: 1027: Pickup Artist

I'm surprised this is such a heated topic. PUA advice boils down to exactly this: "Interesting people are interesting, so be interesting." “If only, if only,” the woodpecker sighs, “The bark on the trees was as soft as the skies,” As the wolf waits below, hungry and lonely He cries to the...
by chapel
Sat Mar 10, 2012 12:06 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1027: "Pickup Artist"
Replies: 2030
Views: 235066

Re: 1027: Pickup Artist

I'm surprised this is such a heated topic. PUA advice boils down to exactly this: "Interesting people are interesting, so be interesting."
by chapel
Fri Feb 17, 2012 5:41 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1018: "Good Cop, Dadaist Cop"
Replies: 135
Views: 33940

Re: 1018: Good Cop, Dadaist Cop

On the subject of the impossible to translate language. It would also depend on the type of information that the language is designed to convey. That is, human languages were and are for the purposes of relating information related to the human experience. A non-human language, like whale songs for ...
by chapel
Tue Feb 14, 2012 3:07 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1016: "Valentine Dilemma"
Replies: 99
Views: 23412

Re: 1016: "Valentine Dilemma"

If this scenario perfectly satisfies the conditions of the prisoners dilemma something is wrong with the relationship. No kidding: the PD requires that the two parties know nothing about each other except that they are "human". The Iterated PD, which is not the PD, allows knowledge of pas...
by chapel
Sun Dec 25, 2011 3:36 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0994: "Advent Calendar"
Replies: 74
Views: 19330

Re: 0994: "Advent Calendar"

But if I use this, Christmas will never arrive. What is this, Narnia?
by chapel
Fri Nov 25, 2011 9:05 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0982: "Set Theory"
Replies: 55
Views: 13641

Re: 0982: "Set Theory"

Proginoskes wrote:Actually, I have to ask: Why does it say "x is an element of the empty set" in the comic?


Because that particular element was executed as an example to the others.

[imath]x \in S[/imath] thus [imath]x \in \emptyset[/imath]
by chapel
Fri Nov 11, 2011 7:48 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0976: "Sail"
Replies: 61
Views: 14216

Re: 0976: "Sail"

Little detail that makes this great. The sail gets smaller in the last panel, no doubt because it lost some of its surface area to the bubble.
by chapel
Mon Sep 19, 2011 7:31 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0953: "1 to 10"
Replies: 138
Views: 32357

Re: 0953: "1 to 10"

Better yet, what does it mean to say that something has probability 10 (that is 2)? For all A, 0 =< P(A) =< 1.
by chapel
Mon Mar 14, 2011 4:49 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0872: "Fairy Tales"
Replies: 74
Views: 19894

Re: 0872: "Fairy Tales"

Shouldn't the comic morph "Snow White and the 7 Dwarfs" into "Inductive White and the n+1 Dwarfs", instead of "n - 1 Dwarfs"? "n+1" is a critical phrase in inductive reasoning; if something is true for a certain "n", and is logically equivalent with...
by chapel
Thu Nov 18, 2010 5:12 am UTC
Forum: Mathematics
Topic: Have You Been Taught Things Which Aren't True?
Replies: 97
Views: 14993

Re: Have You Been Taught Things Which Aren't True?

I actually just learned of a "simple lie" that had been told to me all through high school up past graduate school (although it isn't math, it is psychology). There is actually no good way to distinguish "nature" from "nurture" thanks to something called epigenetics. It...
by chapel
Wed Nov 10, 2010 7:05 pm UTC
Forum: News & Articles
Topic: XKCD invades "Rally for Sanity"
Replies: 9
Views: 2498

Re: XKCD invades "Rally for Sanity"

I have actually been contacted by the owner of that exact sign and it is, in fact, not a photoshop.
by chapel
Fri Nov 05, 2010 4:18 am UTC
Forum: News & Articles
Topic: XKCD invades "Rally for Sanity"
Replies: 9
Views: 2498

Re: XKCD invades "Rally for Sanity"

dicoy wrote:Sorry to dissapoint you, but that's photoshop, there are sevral versions of that pic with different signs. :(


I am severely disappointed by this news. :( :cry:
by chapel
Thu Nov 04, 2010 7:31 pm UTC
Forum: News & Articles
Topic: XKCD invades "Rally for Sanity"
Replies: 9
Views: 2498

XKCD invades "Rally for Sanity"

Image
by chapel
Wed Oct 20, 2010 5:26 am UTC
Forum: Mathematics
Topic: Disguised forms of 2
Replies: 114
Views: 11377

Re: Disguised forms of 2

[math]\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{...}}}}}}[/math]
by chapel
Mon Oct 11, 2010 7:06 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0804: "Pumpkin Carving"
Replies: 81
Views: 23333

Re: 0804: Pumpkin Carving

And yeah, the Axiom of Choice is evil. Down with the Axiom of Choice! The Axiom Choice has a well-known liberal bias. Damn liberals and their being so pro-Choice and all... Have you been reading Conservapedia again? I can't tell you the number of times I have double checked that just to make sure t...
by chapel
Tue Sep 14, 2010 4:48 am UTC
Forum: Mathematics
Topic: 0 is not an even number
Replies: 34
Views: 3398

Re: 0 is not an even number

Off the top of my head, and too lazy to find links to all of these (I think some ended up being killed anyway)... there was one guy who thought that the Mandelbrot set held all the secrets of the universe.... the guy who that that either R was countable, R wasn't well defined, or Q was uncountable,...
by chapel
Mon Sep 13, 2010 12:45 am UTC
Forum: Mathematics
Topic: Runner Question
Replies: 8
Views: 1355

Re: Runner Question

If you take the "on average he gets 2/5" to mean that "given a random sample of runners he is on average better than 75% of them" then given 9 other runners he should, on average, be better than 6.75 of them and so do better than 4th place on average.
by chapel
Mon Sep 13, 2010 12:30 am UTC
Forum: Mathematics
Topic: Population Growth Model
Replies: 2
Views: 517

Re: Population Growth Model

I suppose you could take a Taylor Approximation if you just need an estimate value.
by chapel
Wed Sep 08, 2010 4:35 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0790: "Control"
Replies: 57
Views: 14088

Re: "Control" discussion (#790)

http://www.wired.com/medtech/drugs/maga ... ntPage=all

Well, the LSD thing explains that trend. :lol:
by chapel
Fri Aug 27, 2010 7:10 am UTC
Forum: Mathematics
Topic: Real life debates translated into mathematical logic
Replies: 6
Views: 1625

Re: Real life debates translated into mathematical logic

Generally you just find that people's starting points (I was corrected earlier tonight that they aren't axioms if they aren't universally accepted as true) are radically different... Or you find that people's starting points were made to fit the results, that is to say, the results are strongly data...
by chapel
Fri Aug 27, 2010 6:43 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0785: "Open Mic Night"
Replies: 89
Views: 17959

Re: "Open Mic Night" discussion (#785)

Eternal Density wrote:1. Hotels on a plane
2. ???
3. Profit!


I'm tired of these mother effing hotels on this mother effing plane.
by chapel
Tue Jul 13, 2010 10:34 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0765: "Dilution"
Replies: 211
Views: 43423

Re: "Dilution" Discussion

neoliminal wrote:I diluted the comic to see if it would make it more effective.
Image


Ironically, yes. I found this to be hilarious.
by chapel
Mon Jul 12, 2010 6:00 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0765: "Dilution"
Replies: 211
Views: 43423

Re: "Dilution" Discussion

I guess my first question, after considering the equipment displayed in the comic, is how sure is he that there's a 30x dilution? I imagine accuracy is everything in homeopathy and that seems rather primitive, especially considering some of the "non-cooperative" properties of the substanc...
by chapel
Wed May 12, 2010 11:13 pm UTC
Forum: Mathematics
Topic: Math GRE Subject Test
Replies: 10
Views: 8493

Re: Math GRE Subject Test

I see... that makes a lot of sense. So far in my studying I have seen a lot of rather involved algebra or derivatives that get substantially easier after doing some kind of substitution or realizing you can divide by x because it has been established that x is not zero. I guess that also explains wh...
by chapel
Wed May 12, 2010 4:50 am UTC
Forum: Mathematics
Topic: Math GRE Subject Test
Replies: 10
Views: 8493

Re: Math GRE Subject Test

As opposed to the SAT, I think it's relatively hard to exceed your natural aptitude in the Math Subject GRE test. I've actually been led to believe it is the opposite and that the SAT 1 or General GRE are meant to show "what you can learn" but the SAT 2 or the Subject GRE test "what ...
by chapel
Tue May 11, 2010 6:43 pm UTC
Forum: Mathematics
Topic: Math GRE Subject Test
Replies: 10
Views: 8493

Re: Math GRE Subject Test

IIRC, I did the free sample test from ETS and didn't otherwise study for the GRE. Not that I'm necessarily recommending this approach... Haha. Well, I do plan to prepare a bit more than that. Did you do fairly well on the test? I have the Princeton Review book. It looks like a fine overview and suf...
by chapel
Mon May 10, 2010 6:13 pm UTC
Forum: Mathematics
Topic: Math GRE Subject Test
Replies: 10
Views: 8493

Math GRE Subject Test

Hi all, I am currently studying to take the Math GRE Subject test (not the Quant Section of the GRE). My initial though was to approach it the same way I did with the BC Calc exam in High School: take every practice test I could get my hands on. My high school calc teacher was actually able to provi...
by chapel
Fri Apr 10, 2009 8:11 am UTC
Forum: Mathematics
Topic: Magnets and polyhedra
Replies: 15
Views: 5859

Re: Magnets and polyhedra

Go for projections the four-dimensional regular polytopes. I've built them all (though not out of magnets); the big two (600 cell and 120 cell) are rather time consuming, but they're all quite beautiful. If I may ask, what did you build them out of? http://upload.wikimedia.org/wikipedia/commons/c/c...
by chapel
Fri Apr 03, 2009 6:52 am UTC
Forum: Mathematics
Topic: Math day, yay!
Replies: 4
Views: 940

Re: Math day, yay!

If we assume it is linear then eggs break if we even think about dropping them 7 feet. :shock:
by chapel
Thu Mar 26, 2009 7:19 pm UTC
Forum: Mathematics
Topic: Infinity
Replies: 42
Views: 4463

Re: Infinity

I knew I screwed up with the terminology somewhere. Sorry about that. It has been a little while. I was under the impression that alephs and omegas were used interchangeably in the context of set theory. I swear that when asked about that my professor said the reason he uses omegas is that alephs a...
by chapel
Thu Mar 26, 2009 1:13 am UTC
Forum: Mathematics
Topic: Infinity
Replies: 42
Views: 4463

Re: Infinity

The part about this that always bothered me is this: 0 < 1 < 2 <... < n for any n in N and for any n in N, n < Aleph_0. Aleph_0 < Aleph_1 < Aleph_2 < ... < Aleph_n for any n in N, but Aleph_Aleph = Aleph_0 (because there is a bijection between them). I get why and admittedly my notation is poor her...
by chapel
Wed Mar 25, 2009 3:21 am UTC
Forum: Mathematics
Topic: Infinity
Replies: 42
Views: 4463

Re: Infinity

I could have sworn it was a Hebrew letter of some kind, just like the Aleph, not a c. Either that or two texts I have both are using some conventional font type like 'copper plate gothic' or something. That depends on whether or not you reject or accept the continuum hypothesis. If you accept the c...
by chapel
Tue Mar 24, 2009 10:08 pm UTC
Forum: Mathematics
Topic: Differentiation... Can somebody explain the basics to me?
Replies: 7
Views: 1102

Re: Differentiation... Can somebody explain the basics to me?

Put in really concrete terms that helped me back in my calc days: The function is where you are. The derivative is how fast you are going. The second derivative is your acceleration. Although, that isn't a 'good' definition for it as it is actually a application.
by chapel
Tue Mar 24, 2009 10:03 pm UTC
Forum: Mathematics
Topic: Infinity
Replies: 42
Views: 4463

Re: Infinity

I could have sworn it was a Hebrew letter of some kind, just like the Aleph, not a c. Either that or two texts I have both are using some conventional font type like 'copper plate gothic' or something. The part about this that always bothered me is this: 0 < 1 < 2 <... < n for any n in N and for any...
by chapel
Sat Mar 21, 2009 9:57 pm UTC
Forum: Mathematics
Topic: Math for the Uninitiated
Replies: 13
Views: 1872

Re: Math for the Uninitiated

For a short time before work on my thesis started to consume my life I was working on a version of 'Asteroids' that would be played out on different topological surfaces. I have always found that a lot of topology can be enjoyed without having to learn all the mathematical reasons behind it. I could...
by chapel
Sat Mar 21, 2009 9:39 pm UTC
Forum: Mathematics
Topic: The evolution of math in schools...
Replies: 10
Views: 1370

Re: The evolution of math in schools...

I'll take the obvious joke as to why this has happened: we stopped teaching evolution in schools and so math became intelligently designed. Ok, more seriously... I think the big reason has been the gradual shift in how education is valued. When my dad went to school a more general education was valu...

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