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Statistics by Angus Hannerhall - Thu, 08 Mar 2018 16:48:27 EST ID:mqHT9rw/ No.15620 Ignore Report Reply Quick Reply
File: 1520545707636.webm [mp4] -(1304906B / 1.24MB, 296x240) Thumbnail displayed, click image for full size. 1304906
Sup /math/

Over the summer I am going to be taking my first statistics course. The specific course I will be taking is listed as a 200-level psychology class rather than a straight math class so I am guessing statistical analysis will be related to health/psychology research or something? I have never taken statistics before, but I have a pretty good foundation in mathematics. I have been through differential equations and physics, should I expect much of a challenge? Any general tips/tricks/insights to the study and application of statistics?

>tl;dr: me don't know statistics. wat u know?
>>
Ernest Cliddlehall - Fri, 09 Mar 2018 07:04:02 EST ID:J2H8HCRl No.15621 Ignore Report Quick Reply
>>15620
it's not really like physics or diffeqs at all. the basis of statistics is very classical probability which itself is based on combinatorics (counting things) for a class like the one you will take. if its from the psych department then theyll probably gloss over the foundations, i.e. probability, and go straight to tests of significance, power of tests, etc. There aren't any tricks, just understand the formulas for the statistics.
>>
Lillian Bardford - Tue, 13 Mar 2018 03:01:51 EST ID:a/tOQ260 No.15623 Ignore Report Quick Reply
maxwellian tails are where all the fun is at
>>
Shitting Bebblepane - Mon, 19 Mar 2018 00:34:15 EST ID:sR7kJ2DP No.15633 Ignore Report Quick Reply
>>15620
I'm doing a Stat PhD.
In the entry-level stuff it will seem boring, probably. If you have a strong math background, you're going to see a lot of big-sigma summation.

If you have any interest in Stats at a higher level, it becomes "probability theory" in the Math department and gets super interesting, and modern physics is basically built on it.
However the first stat class isn't super interesting and I got a B.


if game theory is real why am i lonely? by Lillian Bardford - Tue, 13 Mar 2018 02:59:26 EST ID:a/tOQ260 No.15622 Ignore Report Reply Quick Reply
File: 1520924366876.png -(294204B / 287.31KB, 690x397) Thumbnail displayed, click image for full size. 294204
any why are so many math experts lonely? i'd bet the average game theory expert has substantially less social interaction than most people.

is this the biggest mathematical debunking of the 21st century so far?
>>
Shitting Bebblepane - Mon, 19 Mar 2018 00:30:43 EST ID:sR7kJ2DP No.15632 Ignore Report Quick Reply
I'm not an expert on game theory but I don't see where the fuck it says being good at math means you have a ton of friends.

I think the average math expert doesn't want a ton of social interaction...I have to work and concentrate a shitton so I can't hang with a lot of people but I don't feel lonely. That's just me though.


Hyperoperations by Hamilton Nudgebanks - Wed, 29 Mar 2017 16:37:10 EST ID:uqJv93qR No.15439 Ignore Report Reply Quick Reply
File: 1490819830015.png -(109711B / 107.14KB, 790x726) Thumbnail displayed, click image for full size. 109711
Does anyone have any ideas about pic related?
29 posts and 7 images omitted. Click Reply to view.
>>
Walter Surryhig - Sat, 06 May 2017 23:44:26 EST ID:982EzYoa No.15496 Ignore Report Quick Reply
brings back memories of Proofs class. terrible memories...

Can someone remind me what
f: N^3 -> N

means, again?
>>
George Crenningwell - Sun, 07 May 2017 10:56:40 EST ID:thFY31Zj No.15497 Ignore Report Quick Reply
>>15496
It means f takes three counting numbers as arguments and spits one counting number out. For example, f(2,3,4)=16.
>>
George Brookhall - Wed, 21 Feb 2018 20:56:05 EST ID:VjgGp8YW No.15612 Ignore Report Quick Reply
Wow this was almost a year ago. I'm still interested in this, or at least doing some kind of project with /math/.
>>
Nathaniel Fivingville - Mon, 05 Mar 2018 03:49:41 EST ID:Hv35haoR No.15618 Ignore Report Quick Reply
>>15439
one of the fundamental rules of imageboards is that if the text on the image is illegible in the thumbnail then you don't open the image to see what it says
>>
Samuel Smalldock - Sun, 18 Mar 2018 11:08:31 EST ID:0xJCov/D No.15631 Ignore Report Quick Reply
>>15618
That hasn't been my practice. Moreover, I'd hope that the people on /math/ would be a little more charitable.


Top 10 favourite Integers by Colonel Badtouch - Fri, 04 Nov 2016 15:38:05 EST ID:9bYxsT36 No.15261 Ignore Report Reply Quick Reply
File: 1478288285194.jpg -(104652B / 102.20KB, 640x427) Thumbnail displayed, click image for full size. 104652
Hey guys what are some of your favourite integers? Here's my top 10:
10. 34,236
9. 8
8. 457,893 ( I bet some of you thought this would be higher!)
7. 43.
6. 6 (Imagine that!)
5. 240
4. 9000
3. 7,777,777
2. 7, 777,771
  1. 108
15 posts and 6 images omitted. Click Reply to view.
>>
Cedric Hogglechurk - Thu, 18 Jan 2018 17:20:11 EST ID:BLVxKgwM No.15600 Ignore Report Quick Reply
500, suckers. Fucking solid as hell.

147, what the fuck even is that?

33554432, just Fucking dancing on the edge of projected sanity and insanity
>>
Eugene Nuddledotch - Tue, 13 Feb 2018 08:32:55 EST ID:cHLNYuRD No.15606 Ignore Report Quick Reply
>>15261

8675309
>>
Lillian Bardford - Tue, 13 Mar 2018 08:36:55 EST ID:a/tOQ260 No.15624 Ignore Report Quick Reply
pi
e
the square root of 2
the square root of the square root of 2
one half
the square root of 3
the quartic root of 4
the square root of negative 2
napier's constant
the square root of napier's constant
one half pi
pi squared
>>
Ian Meckleputch - Wed, 14 Mar 2018 15:02:24 EST ID:YI7BvI4l No.15626 Ignore Report Quick Reply
>>15624
pi is not an integer u pleb
>>
Frederick Fanningpatch - Sun, 18 Mar 2018 02:24:21 EST ID:drSlH/C1 No.15630 Ignore Report Quick Reply
>>15627

Sorry buddy, but the gas you've been smoking has made you all 'tarded


Complex Analysis by Hamilton Dosslemene - Tue, 08 Aug 2017 21:15:47 EST ID:2Nfpe0g9 No.15547 Ignore Report Reply Quick Reply
File: 1502241347722.jpg -(39592B / 38.66KB, 331x499) Thumbnail displayed, click image for full size. 39592
Can somebody explain to me why I need to take a Complex Analysis class?

I'm doing a MS Mathematics and going on to a PhD in Statistics/Probability

I don't see any fucking point in studying Complex Anal.
>>
Ebenezer Demblekere - Thu, 10 Aug 2017 15:15:33 EST ID:gFrVWF8h No.15548 Ignore Report Quick Reply
>>15547

Are you sure you have to take that specific class? At my university there are distribution requirements, where you might have to take a year of some type of analysis class. Maybe you can change the MS program you are enrolled in to an applied math MS where the requirements are different. Even then, complex analysis is a branch of math that has a lot of real world uses, it's not like this is a class on Galois theory.

Here you are required to take 2 semesters of regular analysis, but not the complex.
>>
Walter Davinglock - Mon, 11 Sep 2017 09:56:07 EST ID:wdbZy6Bd No.15560 Ignore Report Quick Reply
>>15548
Yeah...actually I tried not taking it and my advisor said I have to.

Tbh now that I'm in the class it ain't bad. But I wanted to take a statistical theory course and own i cant.
>>
John Gemmertut - Sat, 23 Dec 2017 07:59:50 EST ID:18TzhZsM No.15597 Ignore Report Quick Reply
complex analysis is useful for a lot of things in math. Since your ms is in math and not statistics, complex analysis is considered an essential core course, like abstract algebra or real analysis. With your PhD studies in mind, complex analysis can be useful because it gives a way to evaluate a lot of different definite integrals over the entire real line. Even for real-valued functions, we can sometimes solve otherwise impossible integrals by passing to the complex plane, taking a clever contour, and then taking the limit as the contour expands. This comes up when you are trying to find the fourier transform of certain functions, for example, or when you want to integrate certain PDFs over the entire real line. It's a useful class anon. Even if it doesn't seem like it. Lots of great statisticians were at least proficient in complex analysis.
>>
William Dranderfotch - Tue, 13 Feb 2018 20:08:22 EST ID:Y3TAINA4 No.15607 Ignore Report Quick Reply
>>15547
Haha Then why are you studying math? You could say the same about most math subjects. I've had complex analysis twice already once for bachelors and once for masters. It is used throughout many other fields of math and used gratuitously by physicists.


Felps! by George Blackridge - Tue, 06 Jan 2015 10:34:20 EST ID:zBSUDYOt No.14551 Ignore Report Reply Quick Reply
File: 1420558460949.jpg -(7183B / 7.01KB, 206x245) Thumbnail displayed, click image for full size. 7183
Hey guys is there a free site to where you can choose which kind of math problems to take that isn't khan academy? I ask because either later this week or the week following I'll be taking a placement test to try and save money at college and to get back where I left off when I gave a shit about school. Thanks.
>>
George Blackridge - Tue, 06 Jan 2015 10:36:27 EST ID:zBSUDYOt No.14552 Ignore Report Quick Reply
>>14551
Kind of like a random question generator or something to that extent.
>>
Hedda Hommleforth - Tue, 06 Jan 2015 17:08:20 EST ID:HeP0kpt9 No.14553 Ignore Report Quick Reply
Just download textbooks or look up "high school algebra problem set" or "calculus problem set" or something.

Seriously, though, textbooks are where it's at.
>>
Molly Findleville - Sun, 11 Feb 2018 08:17:09 EST ID:P9TKAH4B No.15605 Ignore Report Quick Reply
I'm thinking about creating something of that sort. Like code wards but math wars. Although people are already using mathoverflow for that


Pickung up mathematics again by John Ceffingwick - Fri, 09 Feb 2018 13:05:24 EST ID:GjyUyNd4 No.15604 Ignore Report Reply Quick Reply
File: 1518199524302.jpg -(526599B / 514.26KB, 1200x1606) Thumbnail displayed, click image for full size. 526599
So i've got a question regarding university level math. I'd like to start studying Business Informatics. I'm currently working as a developer at a bank, so that's probably an advantage.
My problem is that I basically dropped learning mathematics when we started with functions like f(x)=12x²+4x³+23 and stuff like that. It's not that I'm not good, I had a few bad teachers and even more personal problems. Now i want to gitgud again.

So what resources should I consider? I'd like to get a some good recommendation regarding university-level mathematics that start small but go big.


Math help by Hugh Ponnerstork - Sun, 03 Dec 2017 12:53:39 EST ID:iVRKbSmx No.15591 Ignore Report Reply Quick Reply
File: 1512323619034.jpg -(707975B / 691.38KB, 1920x1080) Thumbnail displayed, click image for full size. 707975
Help me solve this equation for a,b,c, & d ...

3a - 4b + c - d = 0
>>
Emma Fiddlespear - Sun, 03 Dec 2017 15:14:24 EST ID:d8q0ZW2Y No.15592 Ignore Report Quick Reply
Insufficient data for meaningful response.
>>
Cyril Honeyshit - Mon, 18 Dec 2017 21:51:49 EST ID:9aoCBI3Y No.15595 Ignore Report Quick Reply
a= 0, b= 0, c= 0, d= 0 is a solution
>>
Lillian Pogglegold - Wed, 20 Dec 2017 17:33:18 EST ID:BDm+BNlx No.15596 Ignore Report Quick Reply
>>15591

There are infinitely many solutions
>>
Ian Chollystock - Thu, 28 Dec 2017 23:12:11 EST ID:QQuXTugO No.15598 Ignore Report Quick Reply
The fact that the equation is using the variables "a, b, c, and d" and it that they are equal to zero implies that this is a 3D plane equation. Like other people have pointed out, there are infinitely many points that would satisfy this equation in Euclidean space because geometrically speaking you can place an infinite number of points on any given plane.
>>
Emma Blullershit - Wed, 31 Jan 2018 09:04:20 EST ID:04lDhCQC No.15603 Ignore Report Quick Reply
>>15598
If it's over a finite ring there might only be finitely many points on the hyperplane.


They don't wanna Talk about this very simple unsolved math: https://tinyurl.com/yd7okrue by Anonymous - Thu, 16 Nov 2017 11:42:57 EST ID:9RLAtG0r No.15585 Ignore Report Reply Quick Reply
File: 1510850577128.png -(478143B / 466.94KB, 1280x720) Thumbnail displayed, click image for full size. 478143
Here is the link to these secret problems: https://tinyurl.com/yd7okrue
>>
Rebecca Gendlelock - Wed, 22 Nov 2017 05:19:31 EST ID:m52FE4m4 No.15587 Ignore Report Quick Reply
I'm not clicking that link. What do you take me for, some sort of fool?
>>
Isabella Sugglenetch - Sun, 26 Nov 2017 07:31:40 EST ID:d8q0ZW2Y No.15588 Ignore Report Quick Reply
i bet your so-called link doesnt even relate to mathematics, you dirty bastard


Visually Understanding Math by Shit Blangertere - Tue, 17 Jun 2014 06:57:11 EST ID:RLkenDTl No.14091 Ignore Report Reply Quick Reply
File: 1403002631911.jpg -(499955B / 488.24KB, 1200x780) Thumbnail displayed, click image for full size. 499955
Hi guys,

Wondering if anyone could point me to an introductory level book on Math that teaches primarily by showing how to visualise the math so that I can understand HOW it works (as opposed to just memorising the equations/procedures and accepting that they work).

I'm thinking of going Feynman's Lectures atm, but am wondering if there's something better you guys might recommend.

Again, would like it to start at the very basics if possible.

Thanks and Jesus.
3 posts omitted. Click Reply to view.
>>
Sophie Blackhood - Tue, 29 Aug 2017 01:36:00 EST ID:m52FE4m4 No.15554 Ignore Report Quick Reply
>>14091
Source on the pic OP?
>>
Cyril Duvingbug - Thu, 07 Sep 2017 19:20:05 EST ID:m52FE4m4 No.15557 Ignore Report Quick Reply
>>14091
I need a source on this fucking picture.
>>
Polly Sungershit - Wed, 20 Sep 2017 18:08:15 EST ID:m52FE4m4 No.15564 Ignore Report Quick Reply
>>14091
SOURCE
>>
Lydia Wullyshaw - Mon, 02 Oct 2017 02:46:29 EST ID:Xel5TJuB No.15573 Ignore Report Quick Reply
The source is from Gizmodo's "sexy robot costume" contest 2010:
https://gizmodo.com/5664139/gizmodos-sexy-robot-costume-contest
>>
Priscilla Blucklewit - Fri, 10 Nov 2017 02:53:11 EST ID:m52FE4m4 No.15581 Ignore Report Quick Reply
>>15573
thanks bro


absolutely perfect resolution by discovery - Mon, 06 Nov 2017 21:35:10 EST ID:5rRuxZsJ No.15579 Ignore Report Reply Quick Reply
File: 1510022110016.png -(22781B / 22.25KB, 777x486) Thumbnail displayed, click image for full size. 22781
golden ratio
>>
Albert Brookwater - Tue, 07 Nov 2017 12:00:57 EST ID:BDm+BNlx No.15580 Ignore Report Quick Reply
>>15579

beautiful


I'm an autistic by Sophie Crovingspear - Sun, 05 Nov 2017 03:47:19 EST ID:aO21Ekyq No.15577 Ignore Report Reply Quick Reply
File: 1509871639668.png -(1048491B / 1023.92KB, 651x618) Thumbnail displayed, click image for full size. 1048491
I am taking a class in abstract algebra and was getting ready for a test and noticed a pattern that has popped up when shows how to represent all polynomial functions in a ring that map from Zmodn to Zmodn. What I (think) I found is pretty much why when you have some value x^n it can be replaced with x etc. Pretty much showing why there is only one way to represent all the functions withing the ring due to not being able to have any x raised to something larger than n-1
>>
Reuben Drucklenire - Sun, 05 Nov 2017 16:13:48 EST ID:pjkjVzRP No.15578 Ignore Report Quick Reply
https://en.wikipedia.org/wiki/Fermat's_little_theorem

Also, if n=4 then 2^4=16=0 but 0 is not 2. You can only do your trick when k and phi(n) are coprime.


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