Archived threads in /sci/ - Science & Math - 412. page

>>8979923
>>>/his/
>>>/lit/

>>8979923
It's very easy to shit on Freud (and very popular too--every layman who knows literally nothing about him makes fun of his theory that everyone wants to fuck their mother, which incidentally isn't even what he believed) but a lot of Freud's ideas decent at a higher level--the idea that unconscious forces motivate the part of people's minds that reason about things, the idea that children go through developmental stages where they acquire specific psychological abilities-- these are actually pretty intelligent observations.

The specifics were conjectures that have largely been disconfirmed, and its a real shame that the literary academic left decided to turn psychoanalysis into a fucking meme religion and inject it into their interpretations long after it was discredited, because it makes Freud look worse than he was.

>>8979927
this

>>8979914
Welcome to life, it is only going to get worse from here on.

>>8979917
I didnt join the military because of its hierarchal nature.Now I have to file a report everytime I want to look at a centrifuge

>>8979914
>Why is school a massive fucking bureaucratic jerkoff. Nothing can get done, everyone has there own agenda and theres too much ass kissing
Before you complain about school, learn the difference between there, their, and they're.
And how to use apostrophes.
And how to convey your message.

>>8979723
When/if there's a Moore's Law explosion for quantum computers, desu

>>8979723
Drug companies are poison dealers. Every unwanted trait has a cause, that cause is alive and must be killed with drugs only they can sell you.

>>8979471
It means the slope of P(x) at x=r1 is zero.

Let P(x)=[math] (x-r_1)^{k_1} (x-r_2)^{k_2} ... (x-r_n)^{k_n} [/math]
Then slope of P(x) is P'(x)=[math] (k_1)(x-r_1)^{k_1 -1} (x-r_2)^{k_2} ... (x-r_n)^{k_n} + (x-r_1)^{k_1} (k_2)(x-r_2)^{k_2 -1 } ... (x-r_n)^{k_n} +... (x-r_1)^{k_1} (x-r_2)^{k_2} ... (k_n)(x-r_n)^{k_n - 1} [/math]
So P'(r1) = (r1-r1)^(k1 - 1)(something not 0)+0+....+0. If k1=1 then (x-r1)^0 = 1 and the slope is not zero and not flat otherwise k1>1 and you have 0^k1-1 = 0 so the slope is zero.

>>8979505
Thanks, I understand it a little better now. I think I was a little confused because I forgot that regardless of the multiplicity, it's still a single point on the x-axis. and if k > 1 we know it's a slope of zero

>>8979471
I'll just post this here in case you don't intuitively understand why 1 and 2 hold.

P(x) can always be written as a constant times (x-r1)^m1 ....(x-rn)^mn times a bunch of terms that are of the type x^2+bx+c where b^-4c is less that 0.

Let's study the behaviour of the polynomial around r1.
We have that every term in the polynomial except (x-r1)^m1 is non 0 in a region around r1 e.g. (r1-ε,r1+ε). Those terms also hold their sign in that region, cause if they changed signs they have to become 0 at some point (since they are continuous).

If m1 is odd, then
for x in (r1-ε, r1) you'll have P(x)= negative times the terms that don't change sign
for x in (r1, r1+ε) you'll have P(x)= positive times the terms that don't change sign
From this it is obvious to see that in that region, P(x) Crosses the x axis, either from down to up, or from up to down.

If m1 is even, then
for x in (r1-ε, r1) you'll have P(x)= positive times the terms that don't change sign
for x in (r1, r1+ε) you'll have P(x)= positive times the terms that don't change sign
From this, you can see that P(x) stays either bellow the x axis or above it for all x in (r1-ε,r1+ε) except at r1 where it only touches it.

>>8979447
It improves memory for better recall and/or prevents you from entering a proper type of sleep where most of your brain is able to "disconnect" (terrible analogy but I'm tired.)

>>8979519
I forgot to add. We've had this thread multiple times since like 2013 at least.

>>8979444
Also, all of the grammatical errors in the above post are because I had to take a lot of medication. I'm not /that/ much of a brainlet usually. Just speaking/typing is a bit more difficult until they wear off.

>>8979444
Best guess is C. I think it goes by columns, and either adding the angles or subtracting the angles, whichever you have to do to get 0 < x , 180 degrees. Like a modulo division thing. 60 + 60 = 120; 150 - 60 = 90; 180 - 120 = 60.

>>8979460
I tried something like that, but it didn't work out for every case.

Did you manage a solve using that method? Maybe I screwed up.

>>8979427
>only nerds spend time on /sci/
True, see you on monday, nerd

I'm only here to tell everyone else to get a life.

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>>8979427
>nerd
excuse me sir, i think you're in the wrong place.Here, lemme help you
>>>/b/

>>8979405
you could take the moment of inertia of a hexagon around its center and divide by 6. I got (5/24)ML^2. you could verify this with some chart online or any CAD program

>>8979352
>My question is what counts as an observer?
It's basically any interaction with any other system.

In order to observe something, you need to interact with it, for instance by shooting electromagnetic radiation at it. This is what "observation" actually means.

>>8979348
KCl is sold as a salt substitute but too much potassium also kills you.

Table salt is not bad for you.

>>8979348
It doesn't taste as good. Slightly bitter.
It's good to have to maintain blood health though.

Get a PhD and you can get any job you want and a starting salary of 300k

>>8979292
Only in Applied Math

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>>8979292
Math Applied to Finance. (Actuarial Math / Financial Math) A favorite choice of (((Them)))

But if you are not one of (((Them))) or you not studied in (((Their))) Top Universities.

Compete with (((Them))) to get (((Their))) 300k starting jobs would be difficult.

If you are a Goy probably your fate will be getting only: 300k cents instead of 300k dollars / euros.

If you are a really smart Goy, then perhaps you still can marry with one of (((Their Girls))) and become part of (((Their Family)))

>Is this one of those things that are doable but extremely unpractical like photon thrusters?

yup

>>8979213
Even if a sufficient superconductor could be made so you wouldn't have the trouble of dissipating all that heat from the filament?

Or is the interaction simply so small, exactly as with photon thrusters? Wouldn't the force increase with the voltage? High voltage is not really that hard to do is it?

I don't know much about this, but I just want to know why its unpractical help me out anon pls.

>>8979202
I think some satellites, particularly cubesats, already use this.

>>8979008
Just failed my first human anatomy exam, I might be clinically retarded.

Two months is enough. What score are you expecting?