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Archived threads in /sci/ - Science & Math - 2075. page

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Taken analysis, abstract algebra, set theory. What kind of math is required to study analysis of algorithms? Any good text book recommendations or videos?
18 posts and 1 images submitted.
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>>7725834
discrete maths and graph theory were our recommended maths per-requisites
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>>7725850
>per-requisites

prerequisites*
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>>7725857
>>7725850
What was your algorithms class like? Have you taken it yet?

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please sci

what is common core math?

i cant wrap my head around it
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It's a set of rules for elementary school kids, largely irrelevant since you'd typically use a fraction bar for the problem in pic related to be less confusing.
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>>7725038
take big problem
break it into a bunch of little problems that can be solved in your head

boom, you now know common core.
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>>7725038
it's dumbed down math for niggers pushed by a jew

inb4 triggered snobs tell me to return to /pol/

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Hi all there, I've just read an article on the wendelstein x 7 nuclear fusion reactor and it brought me back all my curiosity for atom's nucleusis, radioactive decay and fission. Now I'm looking forward to gain a better understaing of nuclear fusion and plasma. I'm actually at second year of chemical engineering and I'd like to know if you can suggest me some books about the arguments stated above, all of them. Doesn't matter if there's a title which is too difficult, I'll be glad to know and I might keep that for the future.
Plus, if any italian fellow know any book written in italian it would be much appreciated too.
Also, general Nuclear fusion thread.
12 posts and 2 images submitted.
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Dove studi?
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>>7724923
Politecnico di Milano
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>>7724867

http://4chan-science.wikia.com/wiki/Nuclear_Science_and_Engineering

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So why does /sci/ hate philosophy and philosophers so much?
29 posts and 5 images submitted.
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>>7724518
It doesn't. We routinely have threads on the philosophy of science.

If you're hurt that people tell you to fuck off, maybe what you're putting forward isn't philosophy, but senseless babble.

It's like when people tell popscientists babbling about quantum magic to fuck off. It's not that they hate science and scientists so much, they hate meaningless drivel.
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>>7724518
like 95% of philosophy majors are pre-law(read: useless) and therefore not /sci/ related in any way. nobody even talks about it. good luck finding a philosophy major that is also a maths double major or something.
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>>7724518
this guy had healthy view on science, merely a tool, you faggots put on pedestal.

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Ask and recommend

What is a good book on optimization? Especially computational optimization techniques.
25 posts and 1 images submitted.
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I believe Knuth has a section somewhere in TAOCP.
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Recommending: Wooldridge's Introductory Econometrics. It's a good starter book for anyone who has a little bit of stats experience. For an introductory book, it's very broad, and should be useful for someone looking for a good self study book. Covers time series as will.

Request: Just finished a calculus based introductory probability and statistics class. Where do I go from here if I want to delve deeper into probability?
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>>7724506
>you will never be a qt black girl living in NY

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This is a bit of a neuroscience question. It bothers me because it's something that has just resumed happening. And it's irritating. If I'm dealing with an uncomfortable situation, strangers, or something I find unnerving, If I attempt to make eye contact or move my head towards someone my neck does this stuttering thing. Like my mind is shutting down, or having some pulse-like seizure deal at the mere idea of making eye contact. Otherwise I feel fine, can converse properly, but there's like a radius. And if I move my eyes within that radius of someone's face, it happens.

Factors to bear in mind:
-Food allergies. Ate some shit recently and this has probably resulted in the elevation of histamine.
-Caffeine consumption.
-Ate a lot of cocoa beans (salsolinol, endocannabinoid reuptake inhibitors, flavan-3-ols etc)

The latter two tested independently do not result in the above, nor do they when together. That leaves the first. Unfortunately I don't know much about IgG, IgA, or IgE reactions, nor the full extent of histamine and inflammatory processes ability to act as modulatory neurotransmitters etc.

Please help me downregulate this lust to understand.
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M8
>>
just be yourself
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>>7724357
It has to be the coconut I ate. It's as though it reopened the gates, and I'm back in a land of strange anxieties I falsely believed I had gotten rid of, worked passed, understood and reconciled, whatever. It's all an illusion. A machine easily mistakes its own operation to be more the result of intrinsic factors than it really is.

Fucked for life. So I just need to understand.

>>7724369
I don't think there exists a true self, but some selves are more you than others in a given context. I try.

I feel only partly conscious. Wired, fully aware, stressed, calm, and part asleep. How can this be? Any recommended reading material? I mean truly good textbooks on neuro-anatomy, neurology, neurochemistry. Etc. Something that wants to act as the proxy to tell the reader everything there is to be heard. Any other teaching style and I will find myself fighting the author.

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www.techtimes.com/articles/116133/20151215/new-study-shows-common-chemical-methylene-blue-can-reverse-progeria-symptoms.htm

>When methylene blue was tested in healthy cells that were allowed to progress at the normal rate, the chemical also repaired the age-related damages. The findings were published in the Aging Cell journal on Dec. 10.

How should I start applying methylene blue to age less? Should I apply it on the scalp to prevent balding? Should I just smear it all over myself?
21 posts and 3 images submitted.
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>>7724155
Drink it for enhanced results
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Why aren't you interested, /sci/, this is revolutionary.
Start replying at once.
>>
>chemical found to cure aging related damage in cells
>/sci/ isn't even replying
Too busy discussing whether 0.999... equals 1 or not?

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Why does sound behave like light?

Is sound light energy?
11 posts and 1 images submitted.
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>>7726386
Yes.

Look up Phonons
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sound transfers mechanical energy through the air. Light transfers em radiation through space.
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>>7726401
Why do they both wave?

Also, is there a sound equivalent of Ultraviolet? Can you be harmed by sound radiation?

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/sci/
is this possible? I hear it every year and wonder if this is ever going to happen?

http://beforeitsnews.com/space/2015/12/alert-earth-will-go-dark-for-8-days-in-december-2015-2495082.html

It's now the 17, yesterday was sunny and shit, it's 2AM and it's raining here in GA. Tomorrow? Sunny. So like whats the dealioh and why the shit do they think this is going to happen? In the comment section they contradict everything being said.
Also, why the hell is my Christmas going to be 73F. Can someone explain that shit to me?
11 posts and 2 images submitted.
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Get the fuck back to >>>/x/ faggot
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> The explosions will cause the Sun’s surface temperature to increase to 9,000 degrees Kelvin in an instant.
>degrees Kelvin

opinion discarded

who the hell wrote this bullshit, it sounds like something out of a kids action novel
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>>7726511
>http://beforeitsnews.com/space/2015/12/alert-earth-will-go-dark-for-8-days-in-december-2015-2495082.html

>degrees Kelvin
it's just a typo. He meant degrees kevin

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y' = y(sin t) + 3

Is /sci/ good enough at undergrad math to solve this?
11 posts and 1 images submitted.
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>>7725894
Solve what
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>>7725894
yipe. that's difficult. You mean
y'(t) = y(sin(t)) + 3 ?
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>>7725894
do you mean y(sin t) as in function y of sin t, or y times sin t?

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Is there a capacity for intelligence in children? Can a 7-year-old be as intelligent as a grown adult?
13 posts and 1 images submitted.
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Depends on what you mean by intelligence
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>>7725801
>>7725796
Well yes, I mean just look at Jacob Barnett.
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Maybe a very stupid grown adult.

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is this possible given enough time?
15 posts and 2 images submitted.
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>>7725708
that depends

are you a demon?

and do you know a mr. maxwell?
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>>7725708
haha like what the balls to float to the same color lol? i mean I would guess because infinity exists and an alternate dimensional reality could exist where the balls even turn into little cubes haha
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>>7725708
With 10 balls you wouldn't even have to wait that long.

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Question regarding the philosophy of science.

Is the scientific method in use today "optimal"? How much of it is arbitrary compromises with practicality?

How much of it will change 100 years from now? 200?

What kind of scientific method would an advance extraterrastrial civilization have and how much would it differ from ours and in what ways?
16 posts and 3 images submitted.
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>>7725050
>philosophy of science
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>>7725050
Scientific method will be a obsolete axiom, we will discover the truth. That truth is "u can't know nuffin".
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>>7725102
u beter shut up bfore u get smahshed m8

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Who is smarter?
125 posts and 15 images submitted.
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me
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>>7725005
Perelman
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jacob barnett

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Which branches of Physics/Math can solve the existential problems and is being 19 years old too old to get into science?
13 posts and 2 images submitted.
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the large number of false vacua in string theory implies the anthropic principle
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lol no, you dont learn shit till post-undergrad anyways.
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>>7724977
You're not wrong. What is this guy thinking? most people don't start uni until they are 19

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