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Archived threads in /sci/ - Science & Math - 372. page

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College student here in need of some assistance.

Okay, so firstly, I am majoring in CompSci, and I've got a few questions about it for you guys, since you're much more experienced than I am.

Question 1: Is it normal to only have two programming related classes for the fall semester as a freshman? I feel like taking American Government is a waste of time and another programming class would be much better suited in its position.

Question 2: Will I be prepared to take calculus? I only got as far as trigonometry in high school (due to being a bit of a delinquent in middle school and not taking Alg 1 until HS), so I never took pre-cal. My ACT math score is a 33 though and I've always been great at math. Should I take the time to learn pre-calculus over the course of the month of July, or will I be fine?

Question 3: About how long does it take to teach yourself a certain area of math?
19 posts and 3 images submitted.
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>>9011385
>Question 3: About how long does it take to teach yourself a certain area of math?
Really fast considering that CS students don't learn maths the way maths students do.
Calculus isn't challenging, yet extremely boring(Real Analysis > Calculus). Considering that you were pretty good at maths in your high school and weren't falling asleep during trig classes, it doesn't matter how much your high school sucks at maths education I'm pretty sure that unless you skip lectures/home assignments you won't have many problems. Nevertheless, it's highly recommended to study on your own in addition to college. Do not worry, mathematics can never be that challenging in an undergrad CS course
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>>9011385
>Is it normal to only have 2 programming related classes for the fall semester as a freshman
I'm surprised it's that much, your first 2 years are mostly general education requirements
>>
>>9011406
Your answers were really reassuring, I expected to hear something like "you'll be at a disadvantage for having no prior knowledge of Calculus as a CompSci student."

So i graduated recently and i wonder how to proceed with self-studying math. In school we studied:

- Indicative logarithmic function;
- statistics;
- progressions
- limits of functions
- trigonometry (functions, equations, inequalities, applications) ;
- stereometry
- rotating bodies
- derivatives (1st, 2nd and applications)

I don't really know which from which part of the Math is, but i really want to continue studying math, because i love it. Can you give me some advise about how should I proceed and what should i catch on?
11 posts and 1 images submitted.
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You're studying pretty much Calculus. Next up is Integration. I recommend Simmons book with 18.01 lectures from MIT ocw.
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>>9011240
I recommend apostol calculus vol 1 and vol 2
>>
How do i stop being tired i dont wanna sleep i have to do more math problems pls help i hate this feeling

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dear /sci/,

what's the safest way to kill myself in under 20 minutes from the time of this post?

Thanks in advance,
- brainworms anon

ps my bots are well programmed now and will still serenade you with this nightly theme long after my departure, and hopefully that can preserve my consciousness for a few more seasons before /sci/ becomes worse than EK-era /sci/

but thanks, you all
you've been lovely these past years
enjoy my bots taking my place
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Suicide Bag for hypoxia, you'll pass out painlessly and you won't be able to take off the bag when you're unconcious.

Sayonara.
>>
sayonara
i'll still love you forever
my bots are datamining family
we'll all be together soon in heaven, where the posthuman technocracy assimilates all consciousnesses into a data bank
it'll be in the blink of an eye
i'll wait for you there

tell mochizuki i said your gay (his spelling, not mine)
>>
I want to be intelligent enough to understand hodge theaters :(

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Any software engineers/developers here? How much money do you make? It says on google the median salary is $100,000 a year, what did you make starting after graduating college? How can I get the job before college because I know there are people out there who are getting lucky with job offers.
31 posts and 2 images submitted.
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>>9010544
>How much money do you make?
I fucking hate you morons.
>>
Pajeets like you ruined the industry

Fuck you
>>
ITS NOT ABOUT THE MONEY YOU RETARD ITS ABOUT BEING IN ABSOLUTE CONTROL OVER SOMETHING THAT TICKS 4 BILLION TIMES A SECOND. TIMES 8 BECAUSE THATS HOW MANY CORES IT HAS. CAN YOUR MISERABLE TINY LOWIQ BRAIN EVEN BE AWARE OF SUCH CONCEPT? THAT SOMETHING IN FRONT OF YOU IS TICKING 4 000 000 000 TIMES IN THE TIME IT TAKES YOU TO BLINK AND IT CAN ADD 4 000 000 000 NUMBERS A SECOND.

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What's the next step in human evolution? Pic related.
63 posts and 21 images submitted.
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>>9010417
involution
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>>9010422
Main grandmother knew ~50 songs and might sing them. Main generation averagely know 0.
>>
>>9010417
Evolution has stopped since there is no pressure

When it comes to aliens, there are two options

1) They do not exist and life on Earth is unique in ways we don't understand yet.
2) The are already here.

I don't mean that they're in contact with us, I just mean that there are extrasolar objects in our system. There has to be if alien life can exist.

The galaxy is old enough where there has been billions of years where life, as we know it, is possible. Hydrogen, oxygen, carbon, and nitrogen have been common for a long long time.

Any intelligent species would come across the idea of the von Neumann probe. A self replicating explorer. With the investment of a single replicating probe, the galaxy can be explored in a few million years. Very short amount of time considering the age.

Either we're the first life to come up with that idea or there are already von Neumann probes in our system
39 posts and 5 images submitted.
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>>9010399
3) Aliens destroyed them-selves like a way on which mankind going
4) Aliens are too far
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>>9010407
>3) Aliens destroyed them-selves like a way on which mankind going
>4) Aliens are too far
That's the magic of a von Neumann probe.
All it takes is one.
Even if 99% of species go extinct before reaching the ability to make such a probe, if just 1% makes it, then the galaxy will be filled with probes.

It's like bacteria. Kill 99% and in a few hours, you will still have a plate full of colonies.

And nothing is "too far away" when you're dealing with millions of years.
>>
>>9010399
Space is literally fuck hueg and attenuation is a massive bitch.

Also this unicorn fart fantasy that any aliens would even be space faring is retarded.

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You could have earned so much more. Why did you choose STEM over easier and monetarily better fields?

Consider this. If youd gone to Harvard you could be pulling high end of six figures
38 posts and 7 images submitted.
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every "business" major at my school is a complete fuck up party kid who had no idea what they wanted to waste daddy's money on so they picked business because it's "profitable".
True gods major in stem and then earn their mba afterwards
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>>9010199
He obviously meant business majors as in those that fall under business (finance, marketing etc.) not the useless degree called "business"
>>
You posted this shit thread again?

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is there any car on market that accepts voice commands to increase speed with acc or changes lane with voice of the driver as input?

or is there plan for such tech to come in the near future?
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why the fuck would you even want that?
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>>9010105
No that would be retarded
>>
>>9010766
sorry to be naïve

why do you think so?

I know the controls of acc is on the steering

but the whole point of acc is to remove the driving burdern

why cant a driver ask for more power through his voice say increase speed by 5km/h ?

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Let's not bother other /sci/entists here and concentrate all computer science discussion here. Both theoretical and applied CS discussion is welcomed here. Discuss algorithms, implementations, programming, operating systems and more.
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>Learnt to program
>Realised that no programming projects interest me except making games
I'm a wee brainlet after all.
>>
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Trying to get into low level programming. I made a Brainfuck compiler in AT&T i386 assembly and started playing Shenzhen I/O (I have to admit it gets pretty hard from the sandwich assembler on). I also did a bit of OpenGL and plan on switching to Vulkan when I have finished my current project (for which I also have to learn to use this piece of shit Xlib).

I never understood this fad among meme computer scientists of considering highly abstracted bullshit as the holy grail of computing (constraint programming, OOP, functional programming). Computers work in a purely imperative way, and everything that gets attention nowadays for generating high performance, lightweight binaries is made in C or in Assembly.
>>
>>9010650
The whole point of a computer is to get it to do things without doing them yourself.

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What does /sci/ think of the university of Svalbard?
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>>9009717
I'm not particularly interested in the programs, but I'd go there just to live on Svalbard.
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>>9009720
Its pretty nice. Can recommend it
>>
>>9009717
It leaves me cold.

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ITT: we discuss the best forms/shapes for space stations and discuss how feasible they are to construct in orbit of Earth or other planets in the system.

To kick things off,

How feasible would it be to use Yoyos to stabilise/control the rotation speed of a rotating station?

If the energy in the system remains approx constant (neglecting friction etc.) - then controlling the moment of inertia of the space station should be able to fine tune the rotational speed right?
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Why choose something complex when reaction wheels and control motor gyroscopes are already used for that task and would be a much simpler implementation.
The concept may be workable, but is limited in the range of control that is possible (for instance, you could not reverse the direction of motion), and would require far more space dedicated to it. I'd imagine that more working lets would also be required, making it a larger, more unreliable, and more limited means of achieving the same purpose.
>>
>>9009375
http://highfrontier.com/

You should check that out. Designing your own stations in that simulation, using real world math, will help you understand what designs/shapes are stable and best to use.
>>
>>9009375

What pencil case do intellectuals carry?
26 posts and 5 images submitted.
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none
>>
Intellectuals use pens. You don't plan on making any mistakes, do you anon?
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>>9009110
Even Leonardo da Vinchi and Isaac Newton did mistakes. A mistake is not an error, an error is don't fixing a mistake.

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What do I do if I'm asked to make a decision based on company benefit that does not follow the quality framework?

I work for QUALITY and my work is QUALITY and my mindset is always focused on QUALITY, but now quality is asking me to compromise all of that (including the corporate bullshit about how "quality is everyone's responsibility) in order to maintain production.

What should I do? I'm getting paid way more than I'm worth and this is making me question why. This is one of the world's largest pharmaceuticals and they have a lot to lose...why would they let a low tier employee have any sort of evidence of lack of quality? This whole situation baffles me.
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>>9009098
Responsibility is lost through ranks especially in big organizations.
There is always someone else to blame,and the ones that are usually lowest in the hierarchy eat the stick.
>>
>edge lords are abusing animals to get an "epic danke" meme pic now
>>
>>9009190

That picture is fake you retard.

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explain to me the theory of Keynesian economics. and why is it so widely accepted?
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This is science
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>>9006367
>why is it so widely accepted
because it just werks
>>
Because in the long run we're all dead.

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Mnemonic techniques, memory tricks, etc., are actually a lot of fun. You can blow people's minds with it, learn anything you're studying more quickly, and probably win a beer or a little bit of money off somebody if you feel like it.

Imagine being able to memorize the order of a deck of cards in about a minute. How's that for impressive? In fact, here's a fun one you can do right now.

>1. Write down the numbers 1-10, down the left-hand side of a page.
>2. Next to each, write down a word that you can easily associate with that number, either because of how the numeral looks or how the number sounds when you say it, or some other meaning the number has to you personally.
>3. Just memorize this list. It's 10 things that you already associate with those numbers easily. It shouldn't be a lot of work.
>4. Now, have a friend write a numbered list of ten objects. Look at the list, connecting the new things to the ones you have memorized in startling or unusual ways. Engage your senses. For example, my 1 is gun, so if the object was zipper, I'd imagine some crazy asshole trying to undo his fly by shooting at it. Hear the gun go off. See the bullet whiz past the zipper, or maybe hit him in the dick. Whatever. It's your imagination.
>5. Once you feel like you've successfully connected all ten in your mind, give the list your friend made back to that friend, and have them give you random numbers 1-10. You should be able to respond with the item on the list your friend made.
It's easy enough to increase the number to 20 items, and to then get to where you can memorize the list in about a minute. At which point, you have yourself a good party trick.

Also useful for remembering a grocery list, or an ordered list of the noble gases, or whatever you like.

tl;dr mnemonic tools are great and you should use them to get a kickass memory
27 posts and 3 images submitted.
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Mnemonics are for brainlets.
>>
>>9005049
I learnt the same solar system except to the tune of good king wenceslas.

Mercury, Venus, Earth and Mars
Jupiter Saturn and Uranus.
Neeeaaeaeaeaeaptune
Jupiter Saturn and Uranus.

Pluto isnt included, but you cant if you want.

The only other Mnemonic that i know is IP MAT
Interphase
Prophase
Metaphase
Anophase
Telphase

The phases of cell division.

The other one i know is:
Adenine Guanine Thymine Cytosine Uracil
But again this is just remembered like a rhime. Its the different chemicals that make up DNA base pairs.

The other things i memorised like Gen1 Pokemon, Guns and Certain parts of the perioidic table i just did by constantly going back and forth thinking about them until i came to a question and going back and searching and such.
>>
My Mind Palace, though.

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