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/sci/ - Science & Math

 Name Options Subject Comment Verification 4chan Pass users can bypass this verification. [Learn More] [Login] File Please read the Rules and FAQ before posting.Use TeX with $tags for inline and [eqn] tags for block equations.Right-click equations to view the source.  05/04/17 New trial board added: /bant/ - International/Random 10/04/16 New board for 4chan Pass users: /vip/ - Very Important Posts 06/20/16 New 4chan Banner Contest with a chance to win a 4chan Pass! See the contest page for details. [Hide] [Show All] Meta on /qa/ only. All meta discussion of boards is to be redirected to /qa/. [Catalog] [Archive] File: sciguide.jpg (9 KB, 200x140) 9 KB JPG https://sites.google.com/site/scienceandmathguide/ >> Reminder: /sci/ is for discussing topics pertaining to science and mathematics, not for helping you with your homework or helping you figure out your career path. If you want advice regarding college/university or your career path, go to /adv/ - Advice. If you want help with your homework, go to /wsr/ - Worksafe Requests. File: feels good.jpg (52 KB, 667x479) 52 KB JPG >tfw self studying CS and math just to make loli games 1 reply omitted. Click here to view. >> >>9375629 I'm a drawfag first, coder second. >math for you need high school math and physics for 2D games. >> >>9375629 for the jiggle physics duh >> >>9375631 Well good luck to you. I remember this guy on vg doing a really complex loli game but the mods banned him because no fun allowed >> >>9375616 >>>/g/63879019 >> >>9375631 No you don't. You don't need much math at all. 2d is fucking cake walk File: 1360786419545.jpg (163 KB, 600x401) 163 KB JPG Why does temperature influence the taste of food? >> Because the lower your temperature is the niggerer you are Any more questions faggot? File: hzCGWXU.jpg (7 KB, 225x225) 7 KB JPG Previous: >>9357587 Anyone know lambda calculus? true = [math]\lambda t. \lambda f. t$
fls = $\lambda t. \lambda f. f$
Reduce the following lambda term: tru a b

Suppose the logical and operator was defined as the following: and = $\lambda b. \lambda c. b c fls$
Reduce the term: and tru tru.
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>>9375702
At what level? How much math do you know?
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>>9375713
bump
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>>9373189
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>>9375741
I've finished a class on mechanics, calc 2 and differentials so that much
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>>9375765
If you know vector calculus, I recommend Introduction to Electrodynamics by David Griffiths. Feynman's Lectures of Physics Vol 2 can be challenging, but worth a read to gain physical insight. I also recommend Yale lectures on the subject: https://www.youtube.com/watch?v=NK-BxowMIfg&list=PLB1A0BF14EB31C3BE

I'm not sure what other books in English are available.

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What classes determine when one stops being a brainlet?
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>>9375727

If you're in your mid 20s or older it's too late.

Should have started earlier...oh well. Carry a gun and walk hard.
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>>9375735
19, taking vector calc + linear algebra this coming semester

I just hate being brainlet so much, and wanna know when it finally fucking ends
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>>9375739

Keep at it. Youre ahead, always set aside "me time". Recharge.

Vortex and Vortece.

Tesla and Archimedes.

(((Einstein and Scientists)))

Philosopher's Stone...find it to live forever.

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>number theory exam
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>>9375755
>Data structures final in the morning
>Haven't done the majority of the labs or projects, the only assignments in the class due to medical reasons
>spent all weekend making shitty flashcards on quizlet that don't help at all
>watching Pajeets explain C++ on youtube to study
help

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What type of people are attracted to geology?
Why is it that geology is the most important STEM field with the most amount of contributions that have helped humanity as compared to physics & engineering?

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How do you prove the distributive property?
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>>9375729
Literally the stewart of algebra books
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>>9375716
>now I have to delete all my brainlet memes
fugg
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>>9375732
>Rudin
>Algebra
What did he mean by this?
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>>9375732
I get that Stewart isn't exactly proof heavy but man it's a really good book for brainlets who just wanna get the hang of calculus. I'm not sure that's such a bad thing.
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>>9375768
Anything that caters to brainlets is a cancer that needs to be eradicated

Can /sci/ solve this?
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>can't die if not alive
It never explicitly said any of them were alive to begin with. Maybe a few of them are mannequins, or republicans.
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>>9374866
Assuming both stones have the same density, it probably won't even lift the stone previously in the seesaw since it weighs less.

Anyway the pic sucks ass and is intentionally ambiguous precisely to stir up meaningless discussion. This kind of shit belongs in pop-sci FB pages
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When the stone reaches the seesaw, it'll have enough momentum to carry on over the little chock meant to stop it, roll over the other stone and then kill the guy at B.

Probably kills D as well.
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>>9374489
Nobody. The stone is not round, so it will not roll more than half the way. Maybe D if it still carries enough inertia to break his neck, but I doubt it.
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>>9374647
Maybe the snapshot was taken while that stone on the beam was rolling down brainlet

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I'm too much of a brainlet to understand triple integrals

calc 1 was easy, so was calc 2. calc 3 was too, until I got to triple integrals. I can solve them, but don't understand how they work and can't set up the limits of integration.

What's something you've struggled with /sci/?
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can you set up the limits of integration for double integrals?
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>>9375775
Every single day I thank god I'm not a brainlet like you. It feels so fucking nice
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>>9375780
yeah, i have no problem with that.

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can we have an mbti thread without brainlets who cant think rationally screaming "HURR HOROSCOPE PSEUDOSCIENCE XDDDD"? the mbti test after all is based on observation and rational, logical conclusions, there is nothing bullshit about it since everything is concluded from real conditions

also remember: if your T is any less than 100% and your F is over 0% you are a brainlet who cant think rationally, maybe /r9k is a better home for you than /sci
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>>9375621

Y-....y-you a femputer?
:333
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MBTI has been debunked. It is not empirical at all.
Most dichotomies does not make sense

Also, juste imagine the case where I'm ENTP but with 51% perception

That's okay, some fag would say, as I would therefore be in between ENTP and ENTJ

Yet, when looking at the 8 cognitive functions, we've got NeTiFeSi for ENTP and TeNiSeFi for ENTJ, which are not at all the same thing

Even worst if I get in between S and N or T and F

The only people out there using MBTI are companies, the same that use graphology to know if you should get the job or not

Even the us army says its shit: http://www.indiana.edu/~jobtalk/HRMWebsite/hrm/articles/develop/mbti.pdf
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>>9375684

I figured out an improved way of folding any issued jacket

The US army isn't smart.

t.Combat Vet
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>>9375599
>You have to be 100% honest, not just what you desire
That isn't how you determine if a test is good. The test fails to show significant differences between each of the different criteria, except for the introvert - extrovert scale and scores can vary wildly with the same person depending on the day.

Personality is really just a means to describe behavior. I'd argue that personality tests as a whole are unnecessary, but even if you assume they are, the MBTI is a terrible test even among personality psychologists.

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>tfw too smart to get a gf

If find it curious that we as a species have no regard for intelligence when it comes to courtship.

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>>9374097
No but you're better than him and everyone else in this thread.
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Women do find intelligence attractive, but like people already said, you are a social brainlet and you sound like a condescending beta.
Also, >>9373251 has a point. One of the best students when I was in college fucked almost every chick on campus. He just turned psycho mode on and faked a persona he knew women would like without looking like a fedora beta trying to act cool.
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>>9373092
Isla Vista.
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>>9373092
If you use your intelligence like a boss you will have unending pussy. I make a habit of humiliating chads and fucking stacies (much to Chad's discomfiture). If your intelligence hides behind a sperge-mask or fedora you're shit-out-of-luck - learn to suck your own dick, or chop it off and seek your sexual power by becoming a cum-dump for lower animals.
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>>9373092
>tfw i've been masturbating for the last 5 hours and the first thing i see on /sci/ is this thread

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>still don't understand QM or shit like entropy
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>>9374823
Sort of. When I was doing statistics there was a girl there who was doing it for her 4th year or so. To get by in university doing science you have to be smart in some sense, but sometimes you hear or see people say or pull the dumbest shit.
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>>9374838
It feels like shit, I can't enjoy my accomplishments because I always think that none of them matter when I'm so dumb that I fail basic classes and I'll never get that damn paper that validates everything in my life up to this point.
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>>9374546
>sinx=x everywhere
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>>9374434
How would you know the positions of atoms?

Then there is conservation of momentum. It's not possible that all the particles would be on the left side of the box. Sure, they are moving randomly, but in that random movement are constraints; the choice of momentum and position of one particle constricts degrees of freedom of other particles. It's like having ten dices and a bound that sum of them must be 30.
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>>9374257
Fermi - Thermodynamics (Dover Books on Physics)
Pippard - Elements of Classical Thermodynamics

David Bohm - Quantum Theory (Dover Books on Physics)
Peres - Quantum Theory: Concepts and Methods

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Is this a scientifically accurate ranking?
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>>9370485
Where am I?
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>>9370826
>Darwin next to tyson
wtf op
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>>9370662
>Cedric Villani
Wtf no
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>>9370485
>Darwin in the same tier as Tyson, Dawkins, Krauss, and Sagan

WTF OP? Those are a bunch of celebrity scientists that haven't contributed shit. Darwin postulated man evolving from apes at a time when he was lucky not to be burned alive for that idea. He also predicted the existence of DNA nearly half a century before it was discovered. Have some respect!
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>>9370485
>Descartes
>not shit tier
>Darwin
>shit tier
Not even close.

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Guys, i need your help. I just fucking realized that the reason i always had complications with maths was because

1. My primary school yeas were in some alternative social-constructivist shithole (they didnt help me develop my logical reasoning properly)

2. My country's school's way of teaching math is pretty mechanical and "chug and plug" (i.e not flexible for problems outside the ones taught in school)

Do you know of any honest, based books for kiddies on proportions, equation systems and classical problems ? Preferably by asian countries but anything goes.
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>>9375151
Also, the thing with proportion applies to many other subjects on my education.
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>>9375151

>>9375151 >>9375155 And thats why i started searching for book recommendations that actually try to trasmit the ideas of the subject here on /sci/.

I just got the feeling i was being taught FORMULAS all along and not having the grasp of the thing, you know.
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>>9374629
Principles of Mathematics by Oakley. Read it.
I went from failing pre-calc to getting a 3.8 at Berkeley, in pure Maths. I spent 3 years at a CC, though. It's likely not you.

>>9374715
>>9374736
Delusional brainlets who have never been to a truly shit K-12 detected.
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>>9374629
>Speed Mathematics Simplified (Dover Books on Mathematics) by Edward Stoddard
Great book especially if you try to understand why the alternative approaches work. Speedy arithmetic isn't necessary for anything but for many people, being slow causes them to have self confidence problems in later math. Quiz random normies on arithmetic, feel good about yourself, and move on.
>Elements of Algebra by Euler
Best Algebra 1 book ever written, it shows how solutions to problems are really found.
>Book of Proof by Hammack (http://www.people.vcu.edu/~rhammack/BookOfProof/)
Learning the language mathematics really makes math a whole lot easier
>Algebra by Gelfand and Shen
>Functions and Graphs by Gelfand, Glagoleva, and Shnol
>The Method of Coordinates by Gelfand, Glagoleva, and Kirillov
>Trigonometry by Gelfand and Saul
Anti-"chug and plug" books with problems that can be solve only if you understand the material.
>Basic Mathematics by Lang
Checking the boxes of the math you need to know before college level calculus.
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>>9375754
Yeah, no. Elements has completely outdated notations and a number of faulty proofs.

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