You should be able to solve this.

>>148800064
Are all the series this author does milked so much that they turn to shit?

>>148800064
you know how Yamada is going to end? a training montage where Ryu studies to pass the entrance exams for their school, while Shiraishi fucks off somewhere to parts unknown. Later we find out Ryu passed his exam but Shiraishi never shows up at the first day of university and drops out of touch with Ryu and the gang completely. Years later, Ryu is a teacher at the academy, and guess who he finds is still a student there? You guessed it, the body swapping witch

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>>148800064
Does not exist, straight lines are straight lines, they continue forever and don't have a vertex.

What's a vertex?

X² = sqrt(3)

>>148800064
>Quadratic Function
>Straight Line

Excuse me?

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>>148800064
>vertex of a straight line

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I randomly read this chapter, why is the art so dogshit and look like it's drawn by an amateur?

>>148800307
Does anyone ever get this without googling?

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>>148800064
The character is obviously extremely confused by the fact that the question appears to be incorrect itself.

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>>148800064

>>148800307
>>148800508
It's a simple cipher.

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>>148800064
>it's an "anime/manga tries to seem smart but shoots itself in the foot by putting up a nonsensical problem" episode

Can an X value have two different Y answers?

>>148802349
Is this also a nonsensical problem? I don't know enough about topology to understand the question.

>>148800633
X-7=19+X
X = 26 + X
2X = 26
X = 13

Writers can't do math guys, even if they're Asian.

>>148802416
http://www.wolframalpha.com/input/?i=x%3D3

>>148802416
it's not a function if it does.

>>148802478
>2X=26
Retard.

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>>148802447
Look up Nijenhuis concomitant

>>148802478
That's wrong. You move the variables first, which is impossible here because they are equal. The answer is no solution

>>148802527
There's a lot of functions where it's possible you shitfaced monkey.

>>148802416
y = sqrt(x)

>>148802478
hax

>>148802478
how does it feel knowing 6th graders are literally smarter than you?

>>148802478
>2x

Anon, when you move a positive variable, you subtract it.

>>148802478
Fucking dumbass.

>>148802590
"A function is a special relationship where each input has a single output."

>>148802615
>>148802592
>>148802563
>>148802546
>>148802614
>>148802611
;_; Don't bully me

>>148802555
>Nijenhuis concomitant
This goes way over my head desu. I'm just a lowly physics student.

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>>148800633

>>148802671
Bully the stupid.

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>>148802703
>physics
Then you should be able to solve this.

>>148802590
Nigger learn to math. A function has to pass the vertical line test, so it can't have two consistent values of x or else it's not a function of x.

The question isn't stating that the line that passes through {(3,0), (3,-4)} is a function (which it isn't). It states that the quadratic function that acts as the line's vertex, IS a function. For which any quadratic function that has (3,-4) or (3,0) as a point is. So y = x^2 - 2x - 3 is a possible solution.

>>148802803
but can you solve it?

>>148802803
Oh boy what did I get myself into.
This isn't like my undergrad courses.

>>148802867
Yes since that's literally lifted out of a exercise in a book I'm reading.

>>148800064
is it on 42 witches now or is
Yamada and the 70 witches?

>>148802893
and the answer is?

>>148802933
Correct proofs for the questions.

>>148802970
what would these "proofs" say?

>>148802970
Not that anon but
>Proofs
Haven't done that since sophomore year, god knows i wouldn't have an idea how to.

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>>148800064

>>148803046
Not the guy who posted the problem so I don't know.

>>148800064
Is this mumbo-jumbo or I just don't understand it?

>>148802933
1 follows from the fact that for a simply connected manifold M the braid group is generated by particle exchange groups (for R^2 this is the Artin group), and the generators of the looped braid groups are basically just the order n subgroups of that braid group. The fact that the n-th order looped configuration spaces are n-fold covers of the original configuration space follows from this.

First part of 2 follows from explicitly constructing Q_N(R^2) from the definition and then use induction on n to prove the equation. Basically the first R^2 factor pops out of the r = |r_1 - r_2| and R = r_1 + r_2 degrees of freedom and the second factor comes from the non-triviality of the braid group B_N(R^2).

The second part is much more difficult. It needs you to explicitly construct a Burau representation of the Braid group in this case and study the fixed points of those matrices on C^2, and then you quotient out the action of the braid group. What you'll find is that there are going to be 3 hyperplanes that are fixed by the Burau representations of the braid group and the trefoil pops out when you intersect it with the sphere. The last factor in the equation is basically the set of all points that the braid group acts freely on.

>>148800307

Jesus christ I was trying to apply a Caesar Shift. Do bites in chocolate even count as cryptography?

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>exam today
>used the variance instead of the standard deviation when calculating Q-function values for a normal variable

>>148803505
Nigga I failed an entire calculus exam because I forgot to sum one digit when derivating, it's ok.

>>148803137
whew I don't understand that. what book are you reading?

>>148803825
"Quantum Hall Systems: Braid groups, composite fermions and fractional charge" by Lucjan Jacak et al.

>>148802478
There is a minus next to 7 dumbass
X = 12 + X
2X = 12
X = 6

>>148800301
I have a better one.

He awakes from his coma (still unable to move) which was caused when he suffered a head injury while falling down the stairs.

He also learns that some blonde girl named Shigeko died due to this.

Everything that happened was in his imagination.

He is also quadrilepgic and suffers from the aftereffects of his 6 year coma.

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Reminder that Rikka (a canon mentally challanged girl) made a 50 on this test.

You have 1 hour, you must do better than her or you will be banned from /a/. I'm friends with a mod and he's serious.

>>148804822
You're even more of a dumbass.

>>148805117
Too easy to bother desu.

>>148805117
What a retarded test. Might as well be solving the same problem 20 times.

>>148805117
what is the question?

>>148804822
-7 + -7 = -14, idiot. The equation has no solution.

>>148805207
No! You are! Dumdum!

>>148805117
Are you allowed to use scrap paper?

>>148805117
Nigger that's just basic algebra

>>148800633

Once upon a time I knew how to solve any algebra question. Now I forget how to figure out something as simple as a percent of a number.

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>>148805117
Reminder that Homura (a canonically weak minded girl) got half of this question right. You have 5 minutes before the teacher calls someone else to help you and embarrass you in front of the entire class.

>>148805765
2?

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>>148805946

>>148805117
Assuming that it's expanding here we go

>>148800633
x - 7 = 19 + x
-7 = 19 + x - x
-7 = 19

No solution

>>148806946
>turning a plus into minus
nice bait

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>>148807056

>>148807056
>being this retarted
nice bait

>>148807056
That's middle school algebra. You have to simplify sides by moving the variables. If it's positive you subtract it from the other side.

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>>148807056
>being this motherfucking retarded
Holy shit!

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>>148807056
Good thing that no one knows who you are here

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>>148807208
>>148807219
>>148807269
>>148807612
>>148807713
Explain this then...

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Dont worry guys, Hina will solve this!

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>>148808042

>>148807991
Click step by step solution and post again.

>>148800307
I'm glad they went easy on me in later installments.

>>148807991

x =/= 6, plug it in retard

>>148802478
How the hell did you go from

X = something + X
To
2X = something?

>>148802671
Only if you give me your lunch money.

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>>148800307
THAT
FUCKING
PUZZLE
Literally the only one in the entire game I had to look up and it haunts me to this day.

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>Math

>>148805117
are we pretending simplification is hard

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>>148807991
This fucker wont stop!

>>148803067
All upper division math is solving proofs.

Makes me miss differential calculus

JK fuck calculus

>>148808485
>JK fuck calculus
Shit, how do I become a calculus?

Is it normal if i can't do any math after graduating from high school?

>>148808556
Differentiate yourself and integrate into society :^)

>>148802803
God, it has been years since I last saw quantim hall problems, I think I last saw it when I was getting my master's.

Do you have solid state or statistical mechanics problem?

>>148808642
Yes. Also all the math you learned in high school is worthless/the wrong way to do most problems.

>>148805765
>dirac genus
don't.

>>148808485
>All upper division math is solving proofs.

That's why all actually good mathematicians are called "physics".

>>148808703
>the wrong way to do most problems
What do you mean by this?
I find that I still use high school algebra shit every now and then. Stuff like factoring polynomials, finding binomial coefficients, etc.

I dont have to do math any more because I'm not a fucking child.

>>148802416
y = sqrt(x) (two (real) y for all x>0).
y = Log(z) (infinite values of y for all z!=0).

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>>148808781
>I dont have to do math any more because I'm not a fucking child.

I bet you love getting fucked by interest.

>>148808852
A logarithm is a function though. There's only one result for a given base and input.

>>148800508
I got it but that was only due to the Gunnm recently.

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>>148802478
cute

>>148808948
Logarithm on the complex plane is a multi-valued function, e.g. Log(1)=e^i*(2*pi)*k, for all integer k.

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>>148802478
>X = 26 + X
>2X = 26

>>148802256

But you looked it up too

>>148809010
Oh, I didn't notice the z. Carry on.

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Since when we have all these smart people on /a/?

>>148808215
I had a momentarily brainfart in rearranging the two equations and misread the positive x on the right as a negative x.

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>>148808669
Nope. My research area concerns the mathematical/topological side of condensed matter so I wouldn't know what problems to give you.

>>148809156
>smart people
have you even read any of these answers??

>>148809283
Cold atoms? I used to work with laser-cooled atoms, but it was too boring, so I now work with superconductivity

>>148805117
>Section 3
Unless they just want these expressions simplified, this is annoying for annoyance sake.

>>148808867

I can do basic math just fine you smug shit. I don't have to do hours of tedious bullshit any more.

Now go finish those 4 essays you've gotta write, you'll need to finish fast so you can get to bed and be well rested for all your tests and next batch of homework.

>>148809435
Topological phases and a bit of theoretical quantum computing.

>>148808781
>only does math for school
pleb

>>148809551
Interesting. I'm currently working with vortices in superconductors films.

>>148809659
neat. I'm currently pleasuring myself o 2d girls

>>148807991
6-7 = 19+6
-1 = 25

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>>148809509
>That whole post

You okay there buddy? Maybe you should go take a nap.

>>148809718
That's what I do almost every day.

>>148809562
>taking it that literally to act smug
Pleb

>>148809551
Are you me? I'm using SPT phases for quantum computation.

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>>148809659
Vortices are topological features of 2DEGs in a magnetic field. It has intimate relationship with braid groups in fact.
These topologically protected excitations such as skyrmions for example are actually pretty popular as a candidate for qubits right now.

>>148809887
>Vortices are topological features of 2DEGs in a magnetic field
Yeah, you're right, but that only happens after a certain thickness of the film.

>>148809823
>pretending you weren't serious to save yourself from embarrassment
pleb

>>148809967
Maybe we have different senses of what a vortex is. Would you consider Jain's composite fermions as vortices?

>>148809887
Can I steal this image for my next talk?

>>148810141
I'm talking about the vortices formed in a type-2 superconductor, Abrikosov vortex, I think they're called. They have really long interaction ranges when the film is thin enough, but close range when it is sufficiently thick.

>>148800307
lmao it's text me fucking easy.

Barely took me five hours LOL.

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>>148810172
Go right ahead. My research group already knows that I'm a weeb.
>>148810267
Oh right, Abrikosov vortices are formed as a consequence of SO(3) symmetry breaking of the degenerate ground state, so you'd need at least a 3D system.

>>148802478
13-7 = 19+7
-6 = 26

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What about this one, nerds

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>>148807991
you doctored the image

>>148810806
Nice try. like id hand over the answer to a million dollar problem

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>>148810849
How about this softball then, I'd include my answer, but it doesn't quite fit in the margins of this post.

>>148800064
I would be able to if I was studying and reviewing that in a math book. I have a bachelors degree, and such a piece of math is irrelevant in my day to day work.

So like, fuck you.

>>148810902
fuck i wish i had my notes with me

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>>148810902
Reminder that existence and uniqueness can be asserted from Fredholm's alternative for the linear part and the nonlinear part can be treated as a perturbation.

>>148810902
stop trying to get anons to make you rich
btw the answer is 2

>>148810902
Shit I remember actually doing that as a homework in 2nd semester.

>>148810987
2 is a good attempt, but as an engineer, my preferred solution is pointing at a fish tank and seeing that it looks globally defined and smooth

>>148811015
you wouldn't happen to remember the answer would you?

>>148811114
but it's not

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Let's try an easy one that everyone can get right.

>>148811304
obviously left

>>148811304
1+1=2
easy

>>148811304
trick question. the answer is makise kurisu

>>148811332
>>148811513

Close, but wrong. Do you want to try again?
Hint: The answer is Rei.

>>148800307
>never used a computer or phone before I got to this puzzle
I never had a chance, did I.

>>148800064
x=0y^2+0y+3

>>148812114
Proof of life on other planets. The implications are staggering.