/sci/ - Science & Math » Thread #12371520

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cool math functions

Anonymous Sat 21 Nov 23:04:26 2020 No.12371520 View Reply Original Report

Quoted By: >>12371765 >>12371854 >>12371877 >>12372187 >>12372194 >>12373121 >>12373160 >>12373182 >>12373215 >>12373652 >>12375010 >>12376601

what are your favorite math functions or functions you really like/find amazing?

It can be simpel stuff or complicated stuff also set functions or something
whatever comes to your mind :)

Anonymous

Anonymous Sun 22 Nov 2020 00:14:42 No.12371765 Report

Quoted By:

>>12371520
$any trig function^{any trig function}$

Anonymous

Anonymous Sun 22 Nov 2020 00:19:20 No.12371780 Report

Quoted By:

dirac/heavyside

Anonymous

View Same Google iqdb SauceNAO 1200px-WeierstrassFunction.svg.png, 109KiB, 1200x762

Anonymous Sun 22 Nov 2020 00:32:00 No.12371829 Report

Quoted By: >>12372400

Weierstrass is fun.

Anonymous

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Anonymous Sun 22 Nov 2020 00:39:40 No.12371854 Report

Quoted By: >>12371873

>>12371520
f(x) = xsin(1/x)

Anonymous

Anonymous Sun 22 Nov 2020 00:42:56 No.12371873 Report

Quoted By:

>>12371854
It's just a sin with perspective

Anonymous

Anonymous Sun 22 Nov 2020 00:44:10 No.12371877 Report

Quoted By:

>>12371520
(-1)^n

Anonymous

Anonymous Sun 22 Nov 2020 02:25:43 No.12372187 Report

Quoted By:

>>12371520
Euler totient function. Just a really cool function.

Anonymous

Anonymous Sun 22 Nov 2020 02:27:48 No.12372194 Report

Quoted By:

>>12371520
gamma function

Anonymous

Anonymous Sun 22 Nov 2020 03:40:47 No.12372400 Report

Quoted By:

>>12371829
why does this look like it could be a actuall stock chart so much?

Anonymous

Anonymous Sun 22 Nov 2020 10:21:52 No.12373121 Report

Quoted By:

>>12371520
Devil’s staircase

https://en.wikipedia.org/wiki/Cantor_function

Anonymous

Anonymous Sun 22 Nov 2020 10:38:16 No.12373160 Report

Quoted By:

>>12371520
I wish there was a simpler sigmoig fn

Anonymous

Anonymous Sun 22 Nov 2020 10:52:44 No.12373182 Report

Quoted By:

>>12371520
Why isn't adding in parallel a button on calculators yet?

$A=\frac{1}{\frac{1}{B}+\frac{1}{C}}=B||C$

Anonymous

View Same Google iqdb SauceNAO 600px-Liouville-big.svg.png, 25KiB, 600x480

Anonymous Sun 22 Nov 2020 11:09:40 No.12373215 Report

Quoted By: >>12374624

>>12371520
Summatory Liouville Function 'cause of the (false) Pólya conjecture and its relationship to the Riemann Zeta Function, except unlike the Riemann Zeta Function it's actually simple enough to understand without a background in number theory and complex analysis.

Anonymous

View Same Google iqdb SauceNAO Qim3OLmyWW0 (1).jpg, 37KiB, 750x484

Anonymous Sun 22 Nov 2020 14:33:40 No.12373652 Report

Quoted By:

>>12371520

Anonymous

Anonymous Sun 22 Nov 2020 20:42:20 No.12374624 Report

Quoted By:

>>12373215
>buy high sell low

Anonymous

Anonymous Sun 22 Nov 2020 22:32:35 No.12375010 Report

Quoted By:

>>12371520
$x^{1/4}\sum\limits_{n=-\infty}^{\infty}e^{-\pi n^{2}x}$
Something cool happens when you replace x by 1/x.
Try graphing them both.

Anonymous

Anonymous Mon 23 Nov 2020 09:39:49 No.12376601 Report

Quoted By: >>12376606 >>12377303

>>12371520
$y=\frac{x-.5}{x\left(1-x\right)}$ on (0,1)

Anonymous

Anonymous Mon 23 Nov 2020 09:40:51 No.12376603 Report

Quoted By: >>12376606 >>12377303

$y=\frac{x-.5}{x\left(1-x\right)}$ on (0,1)

Anonymous

Anonymous Mon 23 Nov 2020 09:41:52 No.12376606 Report

Quoted By:

>>12376603
>>12376601
Wtf

Anonymous

Anonymous Mon 23 Nov 2020 09:42:52 No.12376608 Report

Quoted By: >>12376618 >>12377009 >>12377303

$y=\frac{x-.5}{x\left(1-x\right)}$
on (0,1)

Anonymous

Anonymous Mon 23 Nov 2020 09:46:25 No.12376618 Report

Quoted By: >>12377157 >>12377239

>>12376608
I give up. A fucking function that is a bijection from (0,1) to (-inf, inf).

Anonymous

Anonymous Mon 23 Nov 2020 13:32:12 No.12377009 Report

Quoted By:

>>12376608
$\frac {x-0.5} {x \left( 1-x \right) }$

Anonymous

Anonymous Mon 23 Nov 2020 14:33:25 No.12377157 Report

Quoted By:

>>12376618
Actually pretty cool

Anonymous

Anonymous Mon 23 Nov 2020 15:19:46 No.12377239 Report

Quoted By:

>>12376618
-1/x + 1/(1-x) ?

Anonymous

Anonymous Mon 23 Nov 2020 15:57:01 No.12377303 Report

Quoted By:

>>12376608
>>12376603
>>12376601
it's ogre buddy it's already ogre

Anonymous

View Same Google iqdb SauceNAO equation.jpg, 26KiB, 838x109

Anonymous Mon 23 Nov 2020 16:05:07 No.12377317 Report

Quoted By:

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