/sci/ - Science & Math

Female instinct, the girl hate beta males who could never mate and reproduce.

>amphetamines lmao
what are some suggestions that I could try? I'm hitting 27 now and need some advantage to make it big. Coffeeing tablets? What amphetamines?

Also, what's your favorite probability distribution?

Do any of you ever use student-t for anything other than the known special cases?

How should I approach a small research project on a given topic in math? What kind of questions should I ask myself to get myself down a good route of investigation?

>>9414471
>What kind of questions should I ask myself to get myself down a good route of investigation?
"Would Ed scoff at the idea and spit in my face? Or would he just spit in my face?"

>>9414407
Erdos used Ritalin not amphetamines.

>>9414920
says in this biography he used amphetamines
http://www.untruth.org/~josh/math/Paul%20Erd%F6s%20bio-rev2.pdf

>>9414417
>what's your favorite probability distribution?
I don't have one since I'm not subhuman.

>>9414903
t-thanks

>>9414471
Ask as many questions as possibly, ideally.

Who are the top living Indian mathematicians?

>>9414407
White girls feels (((abusers)))

>>9414920
Thais amphetamine salts

>>9414920
and why do you spread bullshit?
>After 1971 he also took amphetamines, despite the concern of his friends, one of whom (Ron Graham) bet him $500 that he could not stop taking the drug for a month
https://en.wikipedia.org/wiki/Paul_Erd%C5%91s#cite_note-24
http://www.untruth.org/~josh/math/Paul%20Erd%F6s%20bio-rev2.pdf

安非他明是合法的

>>9414407
What's the biggest number you've ever counted to?

>>9416874
Numbers of Given Fucks
<-- Left-Fuck/Directions+Up -->
Zero Fucks Given
One Fucks Given
Two Fucks Given
Three Fucks Given
Four Fucks Given
Five Fucks Given
Six Fucks Given
Seven Fucks Given
Eight Fucks Given
Nine Fucks Given
10 Given Fucks - Fuck One

My Given Fucks Based Counting System.
Index:[0]+{1, i, I}
1 ? i : 0 : Given ? Fucks
I ? 1 : One : Fucks ? Given

>""""axiom""""""
>>>>>>>>>>>>"""""""""""""of""""""""""""""""""
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"""""""""""""""""""""choice"""""""""""""""""""""""""""""

S(ϕ) = 6.28319

>>9416965
excuse me, please delete this

Can someone link me or give me the picture of the state of american education, the one that gives a lengthy account of why college algebra is a joke

>>9417004

>>9416995
https://www.wolframalpha.com/input/?i=0.5+%2B+%5Cpi+S(%5Cphi)

>> 9416965(你)
對不起,請刪除此

>>9417004
有人可以聯繫我或者給我美國教育狀況的畫面,一個是給出了一個冗長的賬號,為什麼大學代數是一個笑話

>>9417018
咖特

>>9417018
Thanks

>>9417028
所有的補習班在一個地方...


看看今天大學的“嚴肅”課程。

末日教授

該公司位於:

我讀過很多文章,質疑有問題的大學課堂,比如叔本華的倫理學,但沒有人像數學一樣談論大學的“嚴肅”科目。

大量的補救性欺詐使得大學的學習基礎得到了大幅度的拓展,但只提供了許多與高中相媲美的課程。事實上,把這種物質稱為高中是相當慷慨的。仔細看看數學補救課程,以便更容易地看到這個關鍵的機構收入來源發生了什麼:

大學代數

該公司位於:

“這就是所謂的大學代數,因為沒有人會為你在高中學習的”代數“付錢。

- 老師(不是我,雖然我希望如此)。

該公司位於:

代數是數學的基本語言,在現代社會,完成大量的數學工作幾乎是不可能的,不熟悉代數的語法。我的數學有點慢,比“頂尖”學生落後一年。所以我選擇了十一年級的代數,而不是十年級的好學生,但問題是今天的大學教科書曾經是高中教科書。

該公司位於:

“教授的數學課很難,你必須去上課。”

- 無形的學生評論,無疑與其他課程相比,課程難度的定義。

該公司位於:

大學代數是必修課,語言,記譜法,注重細節學習幾乎是本領域其他基本要素。這是100多門課程的先決條件,但是政府一直試圖擺脫它,如果不這樣做,將阻止學生走出許多最有利可圖的學習領域 - 讓學生受益而不是管理他們。

該公司位於:

在我的大學(和別處)提供的大學代數課程與20世紀80年代提供的非大學學分課程沒有什麼不同。這和我在高中的代數課沒什麼兩樣。主要區別在於,大學代數比我的高中課程少,不討論矩陣,圓,橢圓,距離,雙曲線,不等式等等。這實際上代表了許多低水平的大學課程:他們的教學比同名的高中階段少。因此,大學代數屬於補救課程的討論,因為它曾經是一種補救措施;只有行政筆的筆改變了立場。

該公司位於:

通過大學代數課程的比例通常在50%以上,但由於政府面臨的壓力和威脅越來越大,一個學期到另一個學期的國立大學比例從50%上升到85%以上。然而,這個課程不過是強制性的,受到管理者嚴厲的批評(院長稱之為“畢業的障礙”),儘管這是一個邊緣化的高中課程。大學代數現在代表了學生可能學習的最先進的材料。

該公司位於:

Pitchman:“我們可以肯定的是,高校代數高的學生經常參加高中代數課,不熟悉”大學代數“的學生上高中。

該公司位於:

老師:“等一下,你說什麼,我們知道的事實證明你必須把這個目標推向成功,以達到你的學習目標,為什麼你還沒有公佈結果?

該公司位於:

Pitchman:“這是不合格的。”

該公司位於:

- 交換教師和展台的工作人員,討論標準化考試,從一個非常流行的,這往往是安置學生的結果。

上面的這句話意味著一個道理:一個人的最高技能不可能是最近學到的技能。為了適應高中代數,學生必須推翻高中代數的概念。

該公司位於:

由於大學代數並不像行政人員那樣愉快,許多校園提供“代數”課程,其中包括至少聽起來像真正的課程的“代數”假課程。這些課程是通過“去除學生不需要的材料”來合理化的,並且有大量的材料。雖然這是大學學分,但很少有補救措施,雖然有一些變化。那麼,大學學分:課程很少轉移,不准備為學生(記住,大學代數是100多門課程的先決條件)。換句話說,虛擬代數類的合格率通常要高得多,這使得行政部門非常高興

>>9417027
你用國語寫的發帖真不錯

>>9417038
每天在別人面前做戲很累...

>>9417056
你寫的普通話真的好崗位

>>9417077
每日遊戲在別人面前很累...

How do I calculate the number of sharpies that can fit in my pooper?

>>9417087
我確定你頂多就十四歲
>每日遊戲在別人面前很累
這不是一回事! 你不懂我的意思啊...

>>9417120
trial and error is the only way, i'm 'fraid

I'm having an extreme brainlet moment. How do I parametrise the line from the origin that passes through the unit circle (first quadrant) in R^2?

>>9417146
"the"? Also, wouldn't any line pass through the unit circle? or any circle for that matter.

>>9417166
Yeah, I mean given any point x on the circle, to write down the line associated to that point that goes through the origin, and it is unique

>>9417184
Same way you parametrize a line through any two points.

[math](1 - \theta)\ \mathbf{0} + \theta\ \mathbf{x}[/math]

>>9417184
if it passes through (a,b) then ay - bx = 0

>>9417184
If you have a point (x',y') then y=y'/x'x, if you have an angle t then y=tan(t)x.

>>9417120
如何計算,可以適合我的興致大減騙子的號碼嗎?

>>9417127
我敢肯定,你是十四歲最多,
在別人面前每日累遊戲<
>這是不一樣的東西! 你不明白我的意思啊...

>>9417130
試錯是唯一的出路,我'冒牌貨

>>9417146
我有一個極端的brainlet時刻。 我如何參數化從通過在R ^ 2單位圓(第一象限)穿過原點行?

>>9417206
如果它穿過(A,B),然後AY - BX = 0

>>9414407
What the fuck happened to /mg/?

how do yall feel about cryptography?

seems like a cool area of applied math.

>>9416388
Shashi Mohan Srivastava

>>9417406
The few people who used to post math either killed themselves or left.

>>9417739
>applied math
No such thing.

>>9417190
>>9417216
>>9417206
So I was trying to find the projection of the first quadrant of the unit circle onto the line 1-x. Is my reasoning/answer correct?

The problem I am trying to solve is to show that the suspension of the unit n-sphere is homeomorphic to the n+1-sphere, [math]\Sigma S^n\cong S^{n+1}[/math], where [math]\Sigma X = X\times[-1,1]/\sim[/math], where [math]\sim[/math] is the relation [math](x,-1)\sim(x',-1)[/math] and [math](x,1)\sim(x',-1)[/math].

>>9417146
>Is my reasoning/answer correct?
The "unit circle" is not well-defined, so no.

>>9418166
That looks a bit hard, imo. You could do it like this: First define a function [math]S^n\times[-1, 1] \to S^{n+1}[/math] by [math](x, t) \mapsto (\sqrt{1-t^2}x, t)[/math], which you will show is well defined, continuous and surjective. Then you will define a relation [math]R_f[/math] by [math](x, t)R_f(y, s) \Leftrightarrow f(x, t)=f(y, s)[/math] which you will show to be the same as [math]\sim[/math]. Finally, since spheres and closed intervals are compact, so is their product, and therefore the function defined above is closed (because compact sets are closed in Hausdorff spaces and spheres are Hausdorff). There is a result saying that if you have a continuous and open or closed surjection [math]g\colon X\to Y[/math] and define [math]R_g[/math] like above, then there is a homeomorphism [math]X/R_g \to Y[/math] given by [math][x]\mapsto g(x)[/math]. You will then have a chain of homeomorphisms [math]S^n\times [-1, 1]/R_f = S^n\times [-1, 1]/\sim \approx S^{n+1}[/math], from which the claim follows.

>>9418186
Thanks you're right - there is an easier result that skips the last steps which you may have overlooked: a bijective continuous map from a compact space to a Hausdorff space is bicontinuous, and the form of the relation automatically makes it an injective map so we're done.

>>9418240
I didn't overlook them, I left the gaps for you to fill. You can use the same method to show that the cone of an sphere is homeomorphic to a closed disk, or that shrinking the boundary of a closed disk gives you a sphere,etc. Try to do those if you feel like it.

>>9416649
Not that guy but Ritalin is methylphenidate, an alternative to amphetamines with similar characteristics.

>>9417760
Actually, it's because whenever anyone posts some math problem or anything like it everyone immediately assumes that they're posting their homework. We need to trust each other more.

>>9418901
Obvious homework is obvious. No mercy for college kids unless they post triple integrals. Besides, whenever someone posts something related to a subfield of math, people start complaining about the categorical approach, how homotopy has ruined mathematics, how analysis is engineering shit, how number theory is autistic wankery meant for hs kids, etc. No real response is recieved, and that sucks away the drive to post any abstract nonsense, as the readers behave like neo-Swedes. This is why I discuss this stuff with my animals instead of you guys and the guy who doesn't admit he's a guy. [math]^o\frown^o[/math]

>>9418934
>he

>>9418945
[math]^\frown\smile^\frown[/math]

>>9418934
>neo-Swedes
Please explain, we're not all from /pol/.

>>9418934
>people start complaining about the categorical approach
They must really despise mathematics then.

>>9418967
Category theory is irrelevant to most mathematics, anyway

>>9418970
Just because you're a brainlet and weren't able to enjoy it doesn't mean others met the same fate.

>>9418934
What animals would you recommend to discuss math with?

>>9418976
>Just because you're a brainlet and weren't able to enjoy it doesn't mean others met the same fate.
Neither my degree of enjoyment nor yours changes the irrelevance of category theory to most mathematics

>>9418997
Do you deny your nature?

>>9418965
mudniggers

>>9418934
>This is why I discuss this stuff with my animals instead of you guys and the guy who doesn't admit he's a guy.
Wait...are you the person I recommended Fomeko's art book too? The one with the mismatched socks and stuffed animals?

>>9418965
Dark, violent, uncivilized, full of desire to defile and rape. Some call them apes or monkeys, but I don't like degrading fine animals like chimps or gorillas like that.

>>9418967
Analcysts sometimes come with brain malfunctions.

>>9418977
Anything cute. Stuffed animals are the best, but I sometimes talk to birds or squirrels. I'd like to meet a hedgehog in the wild and talk to it. Horses are nice too, and sheep. Cows are too distracting with their mooing, but it's fun to put your hand inside a calf's mouth.

Um, excuse me can we have MATH discussion here.

Opinions on Wildberger's new algebraic calculus series? Do you think he can do it?

>>9418934
>that sucks away the drive to post any abstract nonsense
I suggest simply not to care what non-mathematicians say about math.

>>9419011
Perhaps. Depends on what you are gonna do that person.

>>9419015
>calculus
>MATH discussion

>>9419031
>ALGEBRAIC calculus
>not math discussion
No one is impressed because you add a smug anime girl to your posts, so cut the shit - add positive content to the thread or piss off.

>>9414407
what the fuck erdos

>>9419015
Finitists need to get lined up against a wall and promptly shot in the back of the head.

>>9419034
>ALGEBRAIC calculus
>ALGEBRAIC
>calculus

>>9419046
>his brain is too tiny to understand the different schools of mathematical thought that developed historically and continue into today
Even mathematicians of Cantor's time were dubious of the notion of "infinite" sets. Read a book.

>>9419046
Wildberger is a "finitist" in name only.

>>9419068
>Even mathematicians of Cantor's time were dubious of the notion of "infinite" sets. Read a book.
Literally irrelevant, might as well start taking alchemy seriously since Newton liked it

>>9419069
What do you mean? He vehemently denies any mathematics related to ideas which require infinite "processes" or infinite sets.

>>9419077
Alright, so it's apparent you don't care about critical mathematical issues and would rather live in an ignorant bubble of just accepting anything shoved down your throat. Nice talking to you.

>>9419081
Critical how? Finitists are wrong.

>>9419085
"Wrong" how?

>>9419017
Ask if you enjoyed the book, I certainly did but no one I know has read it and most don't have an interest in reading it, so I was hoping to finally get someone else's opinion on the book. I myself really enjoy the art and it's the reason that I've decided to pick up drawing/painting again. I also liked how it provided a different way at looking at mathematical objects, it's not uncommon for artists to try and weave ideas into their art, with mathematics being a frequent source of ideas

@9419068
>Even mathematicians of Cantor's time were dubious of the notion of "infinite" sets.
This is a math thread. If you want to make retarded non-arguments, I suggest you try somewhere else, preferably a different board or site altogether.

>>9419078
Yet he freely uses "infinite objects" like the type of integers and rationals.

>>9419095
>Yet he freely uses "infinite objects" like the type of integers and rationals.
Those aren't "infinite objects".

>>9419015
I believe in his sharp mind. He has the touch of Midas.

>>9419034
>No one is impressed because you add a smug anime girl to your posts
But it is the ultimate debating method.

>>9419090
I haven't read his art book yet, but I'm planning to take a look at it later. Have you read the Topological Picture Book by Francis? It had some nice pictures.

>>9419091
It's more and more evident that you're just a "mathematician" in a name and not of body. Disgusting disgrace.

>>9419095

>>9419098
>>9419099
Go away brainlet.

>>9419103
You first.

>>9419096
Prove it.

>>9419108
>Prove it.
Burden of proof is on you, brainlet.

>>9419014
>Analcysts
Analysts*.
Also with things like Atiyah-Singer and Atiyah-Bott it'd only be a matter of time before analysis becomes a subfield of topology.

>>9419118
>""Burden of proof""
Found the non-mathematician. The proper thread for you is >>>/sci/sqt/

>>9419131
>Analysts*.
Analcysts*.

>>9419133
Wrong.

>>9419132
>claims without proof are taken to be true
Found the non-mathematician.

>>9419133
No, no, it's not nonsense bro you just don't have the physical """""intuition""""" to understand that!
Besides, mathematicians crying about rigour are hypocritical because they consider conditional proofs valid.

>>9419131
Did you waste all your C's on integrals or did you just make a typo?

>>9419136
>Wrong.
Right and wrong. Those mathematicians that dislike the supposed "lack of rigor" in physics should also reject statements proven assuming generalized RH/CH.

>>9419132
I don't think you're cut out for this discussion sweetie.

>>9419143
Have you ever been to a CS conference? Their shit's even more fucked up. Assuming anything that is not proven (except axioms lol) cannot yield a proof.

>>9419141
>waste
I'd say they're well spent.

>>9419148
There are good and bad opinions. Sadly both are allowed in the declining West.

>>9419118
A proof is a proof. Doesn't matter who comes up with it. This is /mg/ not r/atheism.

>>9419148
>I'd say they're well spent.
No. Sounds like what people would gather from skimming Griffith. Go read an actual QM book like Townsend, Sakurai or Landau-Lifshitz.

>>9419162
>A proof is a proof. Doesn't matter who comes up with it.
Of course it doesn't matter who comes up with it, but there exists no proof of the incorrect statement you made.

>>9419162
google "countable" and then understand Wildberger's notion of dark numbers.

>>9419167
> the incorrect statement you made.
Which statement?
>>9419168
>Wildberger
I thought I told you to fuck off. Why are you still here?

>>9419167
You're fine with buzzfeed journalists who's never taken a course in physics and not beyond highschool math should write articles on black holes and string theory? It's kind of like that.

>>9419159
There's nothing wrong with that. Wrong opinions like the ones you have really shouldn't be allowed though.

Boys, how do we get this (or these?) fucker(s) gone forever?

>>9419174
>"WAAH WWAAAH WAAAHHH"
That's all I really got from your posts. The fact that you can't even academically entertain the ideas makes me believe you might actually be impaired with some disability.

>>9419182
Do you even know why it has "anal" in the name? Because it's poopoo. Take the poo to the loo.

>>9419182
Physics is the ultimate intellectual pursuit. Prove me wrong.
Protip: You can't.

>>9419185
Your shitposts are not something one ought to "academically entertain". Can you please get a trip so I can filter you?

>>9419192
>wanting to filter discussion of ideas
Good job, anything else?

>>9419184
Develop biological weapons to ensure the extinction of physishits.

>>9419198
Refuse needs to be filtered lest we all drown in shit.

>>9419190
>he doesn't appreciate anal sex
Maybe your ass is full of shit but mine is pure and pristine.

>>9414471
Classification. The ultimate goal in pure mathematics is always classification.

>>9419203
Your head is full of shit.

>>9419205
>The ultimate goal in pure mathematics is always classification.
Wrong.

>>9419205
>>9419213
>pure mathematics
>using incorrect intuition to understand something yields "spooky" results
Wow who would've thunk??

>>9419203
To consider the validity of your claims is left as an excercise for the reader. It is this analysis-like fecal matter which needs to be removed before any sort of insertions of carnal nature are to happen

>>9419174
>Which statement?
see >>9419095

>>9419224
2 things: I didn't make that post and its contents is correct.

>>9419229
>its contents is correct.
as it pertains to integers and rationals of course. I don't care about Wildtarder.

>>9419229
>its contents is correct
Burden of proof is on you, brainlet.

>>9419223
Can't even prove a simple empirical claim? The removal of "analysis-like fecal matter" will be done through the bidet of topology.

>>9419234
>can't understand basic quantum mechanics
>wants to study string theory

>>9419234
>empirical claim
>"""prove"""
Assuming anything that is not proven (except axioms lol) cannot yield a proof. Any mathematician thinking otherwise is an idiot.

Any ideas for computing [math] \int_{0}^{\frac{\pi}{2}} \ln(\cos(x)) \ln(\sin(x)) dx [/math] ?

The integral has symmetry at [math] \frac{\pi}{4} [/math] but I just don't know what to do with it.

>>9419234
It is true that poo can be characterized by its topological properties, for example its connectivity and number of components. Therefore, xysma gives rise to a topological invariant. Nevertheless, the faeces also comes with shaky stuff like indigested food which doesn't necessarily behave well if you compose the digestive systems of two people. This makes shitegory theory inferior to category theory. You may talk about your precious empiria, but you fail to account for this empiro-medical fact.

>>9419252
>Any ideas for computing ∫π20ln(cos(x))ln(sin(x))dx ?
www.wolframalpha.com/input/?i=int+ln(cos(x))ln(sin(x))+from+0+to+pi%2F2

>>9419259
I don't have the thing that shows the steps. Can you take a screenshot?

>We can cook up

>>9419258
>Nevertheless, the faeces also comes with shaky stuff like indigested food
Then this problem is purely geometrical.
I need not concern myself with such trifle issues because isomorphism classes of bundles of sticks such as yourself has trivial image under the Chern-Weil homomorphism.

>>9419274
Please don't call me a stick. I an a twig.

>>9419287
Isomorphism classes of sheaves of twigs then.

>>9419293
That's better. Glad we could reach an agreement on terminology.

>>9419297
Now show me your bum so I can deformation retract it and clean out the poo from within the puncture.

>>9419302
Time for a poo pushout (and bed, in the resting sense). Happy funposting!

>>9419311
Good night slut, say hi to your pet horse for me.

>"perfect threads don't exi-"

>>9419131
>>9419141
>>9419148
>>9419159
>>9419182
>>9419190
>>9419203
>>9419223
>>9419234
>>9419258
>>9419274
>>9419287
>>9419293
>>9419297
>>9419302
>>9419311
>>9419315

Who was in the wrong here?

>>9419351
The subhuman physishit, obviously.

Mods pls ban these degenerates

this is why """pure mathematicians""" who have at least a graduate school level of education are insufferable. sheer autism

>>9419613
Please don't think all math students behave like these disgusting faggots.

>>9419644
>math students
There are about two to three such people here. The rest are mostly different kinds of animals like physishits, engineers and so on.

>tfw to dumb for higher math
>tfw i want to learn the complex math
>tfw i can't barely grasp calculus
>my IQ on 110s (not even kidding)

JUST

>>9419644
>faggots
Why the homophobia?

>>9419705
It is not homophobic. Not all gay people are faggots.

>>9419705
>>9419719
In fact, assuming it was homophobia is homophobia faggot.

>>9419719
>It is not homophobic. Not all gay people are faggots.
"Faggot" is a homophobic slur.

>>9419735
you're a homophobic slur

>>9419613
if you honestly think they've been to grad school for pure math YOU might be the autistic one.

>>9419799
>being this oblivious

>>9418967
Analysis is mathematics, kid.

Is [math]{E^n}\left( {X,A} \right) \cong {E^n}\left( {X/A} \right)[/math] ?

>report several copypasta posts
>12 hours later they are all still up
So, why does Hiromoot hate /sci/?

>>9420311
Only pussies report posts.

>>9420337
>only pussies clean their house
>real men shit where they eat
Hello Dinesh.

>>9420341
Incorrect. Unless you are some Manchurian candidate or extremely unstable, seeing some copypasta posts online is not comparable to getting Indian poo diseases or living amidst cockroaches and filth. Nice try. Please don't expect me to reply, as you are clearly below my quality standards.

>>9420350
But you are a cockroach.

>>9414407
Why is Erdos torturing that little girl?

>>9420363
I wonder if it's Erdos doing the torturing or being the one tortured.

Is there a pair of infinite fields F and G such that the additive group of F is isomorphic to the multiplicative group of G?

>>9419015
I am interested too. Nobody talks about him anymore.

>>9420439
he hasn't really made any funny/interesting/provocative videos lately (eg sqrt 2 doesn't exist, set theory btfo, dark numbers, the fundamental dream of algebra)

>>9420311
copypasta isn't against the rules anon

It's one of the things that makes 4chan great

>>9420435
think about the torsion

>>9420457
Got it! Not sure why it seemed so hard before.

>>9419252
Looks like a change of variables and power series expansion of the log could help, but I didn't make it to the end

prereqs for homological algebra?

>>9420592
Group theory, maybe some some ring theory, topology, a bit of category theory

Hello math dudes, is Gelfand-Shen Algebra good?
Thank you.

>>9420337
Not when they are literal shitposts

How do I replace this shit, help me please

>>9419090
Woah I checked out what you were talking about and it looks crazy and very interesting. I'll buy it once I have enough money. Maybe I'll run into you again and we can talk about it.

>>9420895
let u = whatever is under the square root

>>9420895
complete the square under the square root and let u = x + 1, get rid of the square root from the denominator and use trig substitution.

>>9420595
>topology
Not really. Although it doesn't hurt in any way.

>>9421078
Homological algebra is pretty unmotivated without first seeing (co)homology in topology or geometry.

>>9421090
He didn't ask about motivation though.

Is the human penis a torus?

>>9419252
I may be retarded, but at least i think i calculated how to solve the more general form that has coefficients, knowing your integral

>>9419031
>Norman J. Wildberger

What's the mathematical definition of "economy"?

>>9421878
ch*n swallowed my post
should be
>Norman J. Wildberger
>not MATH

>>9421886
什麼是“經濟”的數學定義?

>>9421090
同調代數是沒有拓撲或幾何看見的第一(共)的同源性非常無心向學。

Anyone here into Stochastic Calculus?

Can someone provide a plain english explanation of Hilbert spaces for someone with no formal math background?

>>9422440
No. Either get the needed background or ask in >>>/sci/sqt/

>>9422440
>Can someone provide a plain english explanation of Hilbert spaces for someone with no formal math background?
https://simple.wikipedia.org/wiki/Hilbert_space

>>9422443
>muh sekrit club XD

>>9422557
>muh
>sekrit
>XD
Retarded redditor detected. Anyone who isn't handicapped can get the needed background to properly learn about Hilbert spaces. If you won't even bother to do so, you can fuck off.

>>9422575
>Retarded redditor detected. Anyone who isn't handicapped can get the needed background to properly learn about Hilbert spaces. If you won't even bother to do so, you can fuck off.
Why the vulgarity?

MEπI:

P values Ĵ eat πi = P
P值Ĵ吃πi= P

>>9422575
>muh sekrit club XD

>>9422656
>>>/r/eddit/

Is a semen addiction an intrinsic property of all physishits?

>>9422997
Anally? Then yes.

>>9422575
>>9422678
You must be pretty new here.

>>9423086
I doubt he is, but you have the stench of trying hard to fit in all over you.

>>9423086
Considering "muh sekrit club" has been posted here to mock people for years, I would not doubt it.

>>9422997
>tfw I actually own that shirt
Wrong. It's an emergent property.

Whas the best intro to proofs book? I like the look of "A transition to advanced mathematics" but it dosent include number theory.

>>9419090
>>9420945
Link to where I can buy his art book?

>>9420945
No problem, the book really is quite nice, even without knowledge of the underlying mathematics the art is simply amazing and so detailed and vivid that it makes you especially interested in understanding what's really going on. It really is a treat to come back to this book after learning more algebraic topology, for me it felt like I finally got into this secret club that I could only catch glimpses of, like a whole new world had opened up. It also just helps give a new sense of intuition and thinking about these topics as now there is some sort of geometric representation of what you're thinking about. I've actually considered trying to replicate this type of art for other fields of math, since most fields have at least some connection to geometry, and even if they didn't there should be a way of imagining them in an analogous fashion.

>>9423168
The book is called mathematical impressions by Fomenko, here's an amazon link and pic I took of one some of the art
https://www.amazon.com/Mathematical-Impressions-Anatolii-T-Fomenko/dp/0821801627

>Paul Erdős was a habitual amphetamine user the last 20 years of his life, and a heavy consumer of other more mainstream stimulants his entire life.
>and a heavy consumer of other more mainstream stimulants his entire life.
What's with these fags who call caffeine a "stimulant"?

>>9423088
>he

>>9423144
>Whas the best intro to proofs book? I like the look of "A transition to advanced mathematics" but it dosent include number theory.
Proof books are a meme, why not just read a book on number theory?

>>9423185
>What's with these fags who call caffeine a "stimulant"?
Why the homophobia?

>>9418166
what subject is this?

>>9423577
topology
>>9423144
polya's books are pretty good, they have basic proof techniques and a lot of problems

>>9423144
>but it dosent include number theory
Good.

Why does differential geometry goes from really easy to what the fuck is this shit so rapidly?

>>9423825
>Why does differential geometry goes from really easy to what the fuck is this shit so rapidly?
Are you a brainlet?

>>9423836
Not really, no.

I'm having another brainlet moment in what should be a simple "check".

Background info: Let [math]f:A_\ast\to B_\ast[/math] be a chain map of abelian groups. The induced map [math]f_\ast:H_n(A)\to H_n(B)[/math] is defined by setting [math]f_\ast([\sigma]):=[f_n(\sigma)][/math]. Question: Check that it is well defined: Let [math]\sigma\in A_n[/math].

[eqn][\sigma]=[\sigma']\iff \exists \tau\in A_{n+1}:\sigma-\sigma'=\partial^A_{n+1}(\tau) \implies f_\ast([\sigma])=[f_n(\sigma)]=[f_n(\partial^A_{n+1}(\tau)+\sigma')]
[/eqn]

Now what is left to show is that [math]f_n\circ\partial^A_{n+1}(\tau)=0[/math]. We can use the identity [math]f_n\circ\partial^A_{n+1}(\tau)=\partial^B_{n+1}\circ f_{n+1}(\tau)[/math], but I don't know why this identity implies the latter term is [math]0[/math].

Does the deformation of schemes have a fractional calculus subfield i can study about?

>>9423890
The last identity means that [math]f(\tau)[/math] is a boundary. What do you do when you define the homology group [math]H[/math]?

>>9423927
yep, got it. Thought i wouldnt have to stoop down to the definition of homology groups but oops there we go

>>9423904
Generally given an affine scheme SpecR, the deformation Spec(R[x]/<x^n>) contains information about functions on SpecR along with their first (n-1)-derivatives.

So possibly a way to consider fractional derivatives, is to consider fractional polynomials.

Thus maybe we want to consider x^a, for non-integer a, as a formal power series. And then look at Spec(R[[x]]/<x^a>), or more likely Spf(R[[x]]<x^a>) .

>>9423935
*
Spf(R[[x]]/<x^a>)

Ah, so this is http://www.4chan.org

I appreciate all the help with my studies.

t.let.t.b^B

別讓T B ^#

Do not let T B ^ #.t

#ti.#ti.#ti

>>9423948
How do you feel about Jacob Barnett, Dr. Hawking?

>>9424006
I'm curious as to why nobody knows who Simon.t.Cosgrove is.

I released my youtube description of Universal laws in relation to tennis but it yielded no results.

Thoughts?

Oh, I'm 'in' Simon. Strange.

So you guys keep me spirit-locked in my fucking body? That. Sucks. Donkey. Dick.

Guess Simon was right. Academia and Religion fight over the same thing. What to count, and when you're done counting who to give them to, and then WHY.

>>9423935
yeah but that fucks everything up because polynomials form a graded ring and when you grade by Q it won't work.

>>9424071
{1, !, ¬, (), |}

¬(1!)/(!(1)) = +1|¬

Mathematical Definition Of (Left)

¬ = $ / = + 1 (1!) ((1)!) | L-Space? Correction(¬)<<

¬= $ / = + 1(1!)((1)!)|L-空間?校正(¬)<<

>>9424071
Well you don't really need a grading.

If you want to look at functions on projective schemes, maybe do a pullback of [math]\begin{array}{*{20}{c}}
{}&{}&{\operatorname{Proj} A\left[ x \right]} \\
{}&{}& \downarrow \\
{\operatorname{Spf} \left( {A\left[\kern-0.15em\left[ x
\right]\kern-0.15em\right]/\left\langle {{x^\alpha }} \right\rangle } \right)}& \to &{\operatorname{Spec} A}
\end{array}[/math]

>>9417120
Semiempirical mechanical modeling

Three Puzzles on Mathematics, Computation, and Games
Gil Kalai
https://arxiv.org/pdf/1801.02602.pdf
>In this lecture I will talk about three mathematical puzzles involving mathematics and computation that have preoccupied me over the years. The first puzzle is to understand the amazing success of the simplex algorithm for linear programming. The second puzzle is about errors made when votes are counted during elections. The third puzzle is: are quantum computers possible?

>>9424191
>are quantum computers possible
But they already exist?

>>9424195
>...the first doubts about the model were raised, quantum systems are of a “noisy” and unstable nature. Peter Shor himself found a key to a possible solution to the problem of “noise”: quantum error-correcting codes and quantum fault-tolerance. In the mid-1990s, three groups of researchers showed that “noisy” quantum computers still make it possible to perform all miracles of universal quantum computing, as long as engineers succeeded in lowering the noise level below a certain threshold.

>A widespread opinion is that the construction of quantum computers is possible, that the remaining challenge is essentially of an engineering nature, and that such computers will be built in the coming decades. Moreover, people expect to build in the next few years quantum codes of the quality required for quantum fault-tolerance, and to demonstrate the concept of ”quantum computational supremacy” on quantum computers with 50 qubits. My position is that it will not be possible to construct quantum codes that are required for quantum computation, nor will it be possible to demonstrate quantum computational superiority in other quantum systems. My analysis is based on the same model of noise that led researchers in the 1990s to optimism about quantum computation, it points to the need for different analyses on different scales, and it shows that noisy quantum computers in the small scale (a few dozen qubits) express such a primitive computational power that it will not allow the creation of quantum codes that are required as building blocks for quantum computers on a higher scale.

>>9424207
Oh he meant one that can sustain stable qubits and is just studying the effects of decoherence on quantum algos. Thogh many theoretical models using non-Abelian anyons and topological excitations as qubits has been proposed, and some are pretty close to actual being implemented in QC. It wouldn't be far-fetched at all to think that decoherence-free QC can be constructed sometime down the line.

How do I know when an integral cannot convert into elementry functions

>>9424304
https://en.wikipedia.org/wiki/Liouville%27s_theorem_(differential_algebra)

>>9424307
>>9424304
Let me rephrase it
How do I know when an integral cannot convert into elementry functions in a reasonable time without using computers

>>9424162
Now that I think about it, x^a is defined as the formal series exp(a*log(x)), so this would really only work if the ring A is an extension of the rationals.

So this might be interesting if you want A to be a number field or the complex numbers. But in general cases it doesn't make sense.

>>9424162
what you've written here is absolute shit
the pull back will be Spec A

>>9424399
>the pull back will be Spec A
I don't know exactly what it is, but that doesn't make sense.

>>9424436
>I don't know exactly what it is, but that doesn't make sense.
It's fairly simple, if you don't even know basic algebraic geometry, don't reply to questions about it purely for the sake of displaying your confusion.

Go gain some mathematical maturity, then come back.

>>9424440
nice deflection

>>9424454
>nice deflection
Irregardless, please learn some basic algebraic geometry before replying to posts that are above your pay grade.

>>9424473
You were right in pointing out that diagram is useless, but the pullback is not SpecA.

ProjA[x] is just SpecA, so the pull back is trivially gives back Spf(A[[x]]/<x^a>) .

Increase the dimension of the projective space to get a more interesting result.

>"random" variable
Is there such a thing?

Is there any maths that don't start from axioms?

Are there any non-trivial functors from the category of non-axiomatic maths to the category of axioms?

>>9424496
I'm pretty sure it's impossible, since the principle of non-contradiction is an axiom.

What is the /sip/ of choice for mathematicians?

[Reminder that physicists are not mathematicians]

>>9424525
>What is the /sip/ of choice for mathematicians?
Isn't there only one sip?

>>9424480
>more interesting result

>Spf(A[[x]]/<x^a>) x P^n ....

>>9424473
Nobody does algebraic geometry expecting to get paid

>>9424535
>Nobody does algebraic geometry expecting to get paid
Speak for yourself.

>>9424536
that can't be your reason
you literally can't be this stupid and do algebaic geometry
the fact that you get paid isn't the same as doing it for money

>>9424485
yes wikipedia distribution and come back in 2 weeks

>>9424531
It is probably interesting, I just don't know how to compute it for the formal affine.

Much of the motivation behind usual deformation theory is studying base changes from SpecA to SpecA[x]/<x^2> ,

I just changed it to a formal setting in order to try and get something relevant to the initial question.

>be Shinichi Mochizuki
>hold seminar for plebs to understand my proof
>someone asks about Cor 3.11
>tell him it follows trivially from 150 previous definitions and lemmas
>fap furiously over badly set latex
>gook out of there whilst updating my blog
>stupid americunts can't even understand math

>>9424553
so checking the proof has gotten so bad that mathematicians are now shitposting on /sci/...

>>9417018
>Algebra is the basic language of mathematics
it's so nice when reading a single line allows me to confidently discard an entire work as uninformed bullshit

x^a doesn't even make sense as a formal power series for non-integer a......

>>9424316
There is no general theorem schema for that.

>>9424558
lmao, if only you knew who is posting in /mg/...

>>9424525
Megaforce, the one true sip.

>>9424844
EPIC POST
NIGGERS BTFO

Why did the differential geometer cheat on his wife with a hooker?
Because he preferred form over function.

>>9424895
lel,
post more lame math jokes pls

>>9424901
Henri Lebesgue was visiting Africa and met a finite number of niggers. When he returned to France, he told his friends almost no one was black.
t. different anon

>>9424901
A series of mathematicians started walking into a bar. The first mathematician ordered a pint of beer, the second a half pint, the third a fourth pint and so on. The bartender exclaimed "Oh, I see what you're doing" and started pouring two pints of beer until a mathematician, annoyed, interjected: So what about an `infinite set'? Well, to begin with, you should say precisely what the term means. Okay, if you don't, at least someone should. Putting an adjective in front of a noun does not in itself make a mathematical concept. Cantor declared that an `infinite set' is a set which is not finite. Surely that is unsatisfactory, as Cantor no doubt suspected himself. It's like declaring that an `all-seeing Leprechaun' is a Leprechaun which can see everything. Or an `unstoppable mouse' is a mouse which cannot be stopped. These grammatical constructions do not create concepts, except perhaps in a literary or poetic sense. It is not clear that there are any sets that are not finite, just as it is not clear that there are any Leprechauns which can see everything, or that there are mice that cannot be stopped. Certainly in science there is no reason to suppose that `infinite sets' exist. Are there an infinite number of quarks or electrons in the universe? If physicists had to hazard a guess, I am confident the majority would say: No. But even if there were an infinite number of electrons, it is unreasonable to suppose that you can get an infinite number of them all together as a single `data object'.

>>9424901
A series of mathematicians started walking into a bar. The first mathematician ordered a pint of beer, the second a half pint, the third a fourth pint and so on. The bartender exclaimed "Oh, I see what you're doing" and started pouring two pints of beer until a mathematician, annoyed, interjected: "So what about an `infinite set'? Well, to begin with, you should say precisely what the term means. Okay, if you don't, at least someone should. Putting an adjective in front of a noun does not in itself make a mathematical concept. Cantor declared that an `infinite set' is a set which is not finite. Surely that is unsatisfactory, as Cantor no doubt suspected himself. It's like declaring that an `all-seeing Leprechaun' is a Leprechaun which can see everything. Or an `unstoppable mouse' is a mouse which cannot be stopped. These grammatical constructions do not create concepts, except perhaps in a literary or poetic sense. It is not clear that there are any sets that are not finite, just as it is not clear that there are any Leprechauns which can see everything, or that there are mice that cannot be stopped. Certainly in science there is no reason to suppose that `infinite sets' exist. Are there an infinite number of quarks or electrons in the universe? If physicists had to hazard a guess, I am confident the majority would say: No. But even if there were an infinite number of electrons, it is unreasonable to suppose that you can get an infinite number of them all together as a single `data object'."

>>9423144
>dosent include number theory

And neither do cs discrete math books. But it does cover the same modulo arithmetic that they call number theory.

>>9424905
>>9424919
Excellent meme material my friends.

>>9424953
I am not a "friend".

what are some good /sci/-related twitter @s?

>>9425126
@neiltyson

Sorry, I'm new to /sci/, is there a thread where I can ask for math help?

>>9425175
Yes, >>>/sci/sqt

>>9424748
x^a =exp(a*log(x))

>>9424847
>NIGGERS BTFO
Why the racism?

>>9425373
Because niggers deserve it.

Are black holes actually "infinitely" dense?

I was under the impression that nothing in nature was "infinite"

>>9425484
Every statement about black holes is vacuously true. Your impression is mistaken by the way. For one the universe itself is infinite and eternal.

>>9425494
>For one the universe itself is infinite and eternal.
[citation needed]

>>9425521
>[citation needed]
Any statement about the universe is vacuously true.

>>9425521
>[citation needed]
Go back to >>>/r/eddit

>>9424808
>lmao, if only you knew who is posting in /mg/...
You can't leave us hanging like that. Come on man, spill the beans.

>>9425570
You're vacuously a faggot

>>9425662
>You're vacuously a faggot
Why the homophobia?

>>9425585
>Go back to >>>/r/eddit
That doesn't look like much of a citation, can you try again?

>>9425142
Isn't he a nigger?

>>9424485
>“隨機”變量
是否有這樣的事情嗎?

西<北>東
^中國南

>>9425944
>>9425954
I'm seeing more and more Chinese and each time it just gets worse and worse.
滾開,要不我揍你

>>9424512
>the principle of non-contradiction is an axiom
Crippled systems which aren't able to directly prove it aren't really used in math.

英語學習時間指數+ 1。>西蒙灯笼灯<

>>9425978
Then why can't you just make sense and stop writing in Chinese? If English is so fucking easy, then stop needing me to translate for !!you!

我的乌托邦!

MY UTOPIA!

人类的乌托邦!

Human utopia!

稳定的Utopic Polyscope MOD任何人都能理解这一点!
稳定的乌托邦Polyscope MOD任何人谁可以明白这一点在阅读!

Stable Utopic Polyscope MOD Anyone Who Can Understand This Upon Reading!

>>9417018
>I teach at a shitty school and I'm bitter about it waaah

>>9426004
>stop needing me to translate for !!you!
um... what? I know Mandarin and Hokkien and obviously English. I don't really need translating.

The thing that annoys me the most is that the characters are simplified; true utopia includes both simplified and traditional.

>>9426035
Just report and ignore please. It's our resident cancerous shitposter at it again.

>>9426035
Ah, right. I think again that is the word. Translate is not the word I 'mean' but it is the word I had to use to 'trim' down your language. I... Bonsai Manchurian. The Man Who Loved One Leaf So Much That He Trimmed All Other For Fear Of Losing The Color Green From His Sight. I NEVER WANT TO GO COLOR BLIND! Or Blind! Or ANYTHING! This Is Just CULTURE.

Google Translate Is A 'Culture Slate' That Will Answer All Wishes Of Those Who Identify With China's Timeline!
//
西蒙:谁跟号第一说,该名男子“请,有我也有1?” 而不是“之一”。

T-一个=音
//
>>9426037
This is how disrespectful English is and how FAR divided the world is. You guys are letting yourselves become programmed but I am... trying to bonsai EVERY BRANCH YOU GUYS THROW AT ME! I just want the one I had, Plus One Random Divided By Periodicity.

Anonymous is in GREEN text everyone! Just convert the black text via the green text channel!

The fact that no number squared can become negative, is really fucking up my attitude towards math. I want to take square roots of negative numbers but at the same time I have proof that it is impossible. It becomes even more painful when you see that third roots of negative numbers are totally fine again.

>>9426053
>I want to take square roots of negative numbers but at the same time I have proof that it is impossible.
https://en.wikipedia.org/wiki/Complex_number

>>9426037
I wouldn't mind if they created their own Chinese threads but seeing this retard makes me embarrassed to be associated with anything Chinese.

>>9426053
It's just LEFT and RIGHT

尺寸-L = 1 +差異= + L

Size - l = 1 + Difference = + L

>>9426072
Now you can feel how 'I' felt, people. This is going to get/feel/be weird. This is why I keep bringing up the SEX shit, because I really just need some chubby Chinese Concubines buttslut female at this point.
//These Slashes Are To Preserve Commented Timelines.
現在,你可以感受到'我'的感覺,人。 這是會得到/感受到/怪怪的。 這就是為什麼我一直撫養性別狗屎,因為我真的只是需要一些胖乎乎的中國后妃在這一點上buttslut女性。

>>9426072
This thread has been infested with cancerous dog-eating physishits for a long time. It's no surprise that one of their own actually starts openly using their language here.

>>9426085
西蒙啤酒在牆上的100瓶......!

>>9426085
Yeah I have no idea why I keep coming back to /sci/. It's a lot of false information and really boring threads.
His language is also my language though.
t. Taiwanese

>>9426104
>His language is also my language though.
That's not really relevant as long as you aren't trying to shit up these threads with ph*sics or Taiwanese.

西蒙早知道的人,第一次。
Simon Knew Man, 1st.

1.沉默,西蒙早知道男性,1 - 1
广播到所有人类:原谅西蒙,特洛伊,科斯格罗夫的人力升级。 上传包!


Broadcast to all mankind: forgive Simon, Troy, Cosgrove's HUMAN UPGRADE. UPLOAD PACKET!

>>9426110
>His language is also my language though.
>His language is not his culture
That's not really relevant as long as you aren't trying to shit up these threads with physics or Chinese.

Forgive Me China, For I Wrote Your Script... 'Away'.

>>9426104
How is someone obviously using Google translate making you upset?

Let [math]A[/math] be an abelian group and [math]S\subset A[/math] a maximal linearly independent subset. Define the rank of the abelian group to be the cardinality of [math]S[/math]. Show that [math]\mathrm{rank}(\mathbb Q)=1[/math].

This is an exercise in my course notes. Is this a typo? How can it be 1 if Q is not even finitely generated.

t.OnMyKneesFirst

Oh god humans, PLEASE just... *SIGH*

Okay, either you have resources for enjoying yourself or sustaining consciousness as SIMON understands it. What would you rather fucking have?

If TIME = MONEY Then Why Aren't We ALL FUCKING MORE!?

Life Should BE The PORNO!

Simon is FUCKING SHY! ANYONE WANT TO TAKE A FUCKING GUESS AT HOW HARD THIS IS!?

WOMINJEKA! THAT'S HOW FUCKING HARD!

I did this with Chinese (Traditional) 'logograms' (characters weight by angles of calligraphic obscurity)
//=Simon Coding Visual Stimulus To Readers To Think MATHEMATICALLY LEFT->RIGHT ? WHY? FUCKING CAN YOU NOT COUNT THE NUMBER! Ooooh, there's a lot of names for things... I see.

t.OnMyKneesFirst

天啊人,請你只... *嘆*

好吧,無論你有享受自己或維持意識西蒙了解它的資源。 什麼,你寧願他媽的呢?

如果時間=錢,然後我們為什麼不ALL他媽的更多!?

生活要有PORNO!

西蒙是他媽的害羞! 誰都希望拿個該死的猜測有多難THIS IS!?

WOMINJEKA! 那怎麼他媽的難!

我這樣做是與中國(繁體)“語標符號”(由書法默默無聞的角度字符重量)

>>9426179
>Is this a typo? How can it be 1 if Q is not even finitely generated.
I don't know what finite generation has to do with it, just show that there exists a 1 element subset that is linearly independent, and that any subset with more than 1 element is linearly dependent.

>>9426179
Simon Is Mathematically Provable Photogenome!
西蒙是數學公理照片基因組!
Boop.

>>9426186
well i forgot to mention, but S is taken to be a basis, ie every element q in Q can be written as a Z-linear sum of elements in S. So in particular if rankQ=1, then S has one element, so that every element in Q can be written as q times an integer.

>>9426179
>How can it be 1 if Q is not even finitely generated.
It's trivially finitely generated as a [math]\mathbb{Q}[/math]-module.

>>9426197
but not as a Z-module

>>9426196
>but S is taken to be a basis
Why? The question only says linearly independent.

>>9426196
>S is taken to be a basis
It need not span [math]\mathbb{Q}[/math] though, which it clearly can't do anyway.

>>9426204
>>9426212
im getting mixed signals from my notes

>>9426217
What are you confused by? Not every linearly independent subset is a basis, it's fairly clear in those notes since being a basis requires an extra condition. Your original question only asked for linearly indepdent.

>>9426221
well, the fact that in the first paragraph he explicitly mentions that the subset S must be a basis, ie every element can be written as a Z-linear sum in S, and then doesn't mention it in the more general case.

>>9425309

There is no power series for log(x) centered at zero.

>>9426226
Different S's anon. It's abuse of notation. You'll get used to it.

>>9426226
>the fact that in the first paragraph he explicitly mentions that the subset S must be a basis
No, he just defines a basis.

>>9426226
>and then doesn't mention it in the more general case.
Did you even read the second paragraph?

>>9426228
Just cheat and do log(1-(1-x)). Convergence isn't an issue.

PRIMESR4PORNO+INTERWEBS!

>>9426196
Whoever you are, I appreciate the 'save'. This whole... 'being' a magnetic pole is fucking... jesus christ it's weird.

>>9426283
In THIS timeline, you are NOT allowed to GAMBLE! Stop FUCKING With MY Reality!
在這個時間表,所有的人都不允許賭博直到通用基本收入進行了討論!

>>9426283
That gets you a power series centered 1, not at 0.

>>9426283
This isn't a matter of convergence. As a formal power series there is no way to make sense of x^a.

If (a_0 + a_1*x+...)^2=x then expand the left side and compare coefficients in degree 0 and 1.

>>9426303
The Human NAMED Simon Troy Cosgrove IS The New Mathematical Periodical Constant! He Used HIS SADNESS AS AN AXIS OF PAIN TO TILT HUMANITY!
//
中國採取的錢包給大家! 錢包詛咒(INFINITY)Chinese take purse for everyone! Purse-curse (INFINITY) OPEN/PORTAL
//
名叫西門特洛伊科斯格羅夫的人是新的數學期刊不斷! 他用自己的悲傷為軸疼痛的方法,TILT哲學社會!


>>9426312
FFS WHY HAVE MATHEMATICIANS NOT FIGURED OUT THAT THEY USE 0 LIKE AUTHOR'S USE A PERIOD AT THE END OF A FUCKING SENTENCE/STATEMENT!
//
FFS為什麼會有數學家沒有想出他們使用0 LIKE筆者的使用期限AT他媽的句子/語句的結束!

>>9419085
>Dogmatic thinking
ew, get it away from me

>>9426691
>>Dogmatic thinking
Who are you quoting?

>>9426733
Very reliable sources.

>>9426691
Math takes the dogmatic fork in Münchhausen's trilemma. It has been thus since Euclid. Accept it and get to work, or fuck off

>>9426946
>It has been thus since Euclid.
Math didn't really exist in his time yet.

>>9426957
>Math didn't really exist in his time yet.

>>9426980
The discipline commonly known as "mathematics" simply did not exist at that time.

>>9426986
>The discipline commonly known as "mathematics" simply did not exist at that time.

>>9427066
I am saying that the activity done by those who are called "mathematicians" did not exist at that point in time.

>>9426946
>Münchhausen's trilemma
not science or math

>>9427123
>not science or math
not science or math

>>9426845
read: dogma

>>9427140
It doesn't matter what you think.

>>9426179
Any two rational numbers a/b and c/d are linearly dependent: (bc)*(a/b) = ac = (ad)*(c/d)

>>9427084
>the activity done by those who are called "mathematicians" did not exist at that point in time

>>9414920
essentially the same. similar structure, absolutely the same effects

>>9424687
What do you mean by this? A huge portion of mathematics relies on basic algebra. Try studying any analysis, number theory, topology, etc. without mentioning any algebra and see how far you can get.

>tfw one point from A on the final in Statistical Analysis

>>9418017
>physics
>engineering
>computer science
>statistics
ok

>>9428412
What zû is trying to say is that all math is equal. There's no "pure" or "applied" math. There is only math. [math]^\frown\smile^\frown[/math]

>>9428424
>There's no "pure" or "applied" math.
Indeed, there is only math and fields of human activity like "physics", "engineering", "computer science", "statistics" have nothing to do with it.

>>9426000
Are you for real ? You mean it's possible to prove the principle of non-contradiction with geometry ?

>>9427193
I'm trying to express the fact that mathematics did not exist in that time frame.

Is [math] e^{x/k} [/math] the only function [math] f(x) [/math] such that [math] \int f(x)dx = k*f(x) [/math] ?

>>9428495
Yes. Differentiate both sides and get an ODE [math]f' - kf = 0[/math] and by the existence and uniqueness of solutions [math]e^{x/k}[/math] is the unique solution (up to a constant factor).

>>9428470
>geometry
Modern "geometry" is developed in a setting where one can easily prove the principle of non-contradiction. Anything else like "Tarski's axioms" aren't really a part of mathematics.

@9427902
reddit-tier babby's first meta vn. fuck off with that trash

>>9427902
>>9428424
What is this /ddlcg/?

>>9428424
>zû

>>9425617
i assume not really mathematicans but wikipedia readers

>>9424496
>category of non-axiomatic maths
literally being this shit

>>9428990
What's the matter?

>>9429135
>literally being this shit
What do you mean?

>>9428990
Why the pronounphobia?