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/polymath/ - Polymath

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File: 644d35d8df374bc⋯.jpg (36.46 KB,418x418,1:1,vitruvianman.jpg)

 No.18 [Open thread]

Welcome to /polymath/!

A polymath is a person who study various subject areas, the most notorious

example of this is probably Leonardo da Vinci. More info at Wikipedia:

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

/polymath/ is a board dedicated to learning, sharing knowledge and

discussion.

Get started by reading the rules and the philosophy:

http://oxwugzccvk3dk6tj.onion/polymath/rules.html

http://oxwugzccvk3dk6tj.onion/polymath/philosophy.html

Public board log:

http://oxwugzccvk3dk6tj.onion/log.php?board=polymath

Board CSS (still in development, report bugs in the support thread):

http://oxwugzccvk3dk6tj.onion/stylesheets/board/polymath.css

Support thread: >>17

Post here every time you visit this board: >>15

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 No.46 [Open thread]

Nifty math discovery I did.

For integer X; Sum of 1 to X = (X*(X+1)/2). (Way old news)

Sum of integers from X to N. ((N-X)+1)*(X+N)/2. Also old news).

X=3; N=39; input values, ((39-3)+1)*(39+3)/2 = 777.

So I got curious, can I do this for ANY value?

Turns out you cannot. Only non-primes.

Prime numbers correspond to integer N+(N+1), which includes the set of all odd integers.

Let's say you want to find the continuous integer series that sum up to 666 or 777 or 888.

The formula is 1+((M-(P*(P+1)/2))/P).

M=Non-prime number.

P=Factors of M

For example, 777 factors to primes {3, 7, 37}, but we need the regular factor pairs of 777 = 3*259=7*111=21*37.

Now let's feed the formula.

1+((M-(P*(P+1)/2))/P)

1+((777−(3*(3+1)/2))/3)=258

777=258+259+260 {3 integers in the series}

Feed it again.

1+((777−(7*(7+1)/2))/7)=108

777=108+109+110+111+112+113+114

Divide by 7, get 7 integers in the series.

Feed it again.

1+((777−(21*(21+1)/2))/21)=27

777=27 + 28 + 29 + 30 + 31 + 32 + 33 + 34 + 35 + 36 + 37 + 38 + 39 + 40 + 41 + 42 + 43 + 44 + 45 + 46 + 47

Which has 21 integers which sum to 777.

1+((777−(37*(37+1)/2))/37)=3

777=3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43

Starts with 3 has 37 integers in the series.

1+((777−(111*(111+1)/2))/111)=-48

Oh noes... Oh wait, thPost too long. Click here to view the full text.

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File: 4c2385735c42858⋯.jpg (118.34 KB,768x415,768:415,schoolofathens.jpg)

 No.15 [Open thread]

Post ITT everytime you visit this board

This way we can generate more activity and help the board grow.

15 posts and 3 image replies omitted. Click [Open thread] to view. ____________________________
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 No.37

>>15

Hello, fellow polymaths. ;)

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 No.38

This is a good board.

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 No.41

Semi-kinda-related, I'm trying to start a community for maths over at /maths/ if anyone wants to join. It could just be asking for help in maths homework that gets things started.

>>34

The difference between computer science and actual programming must be stressed. Making a GUI is really a matter of learning library methods and the experience, creativity and ingenuity necessary to organize your application in an efficient way that is manageable but also fits into the UI library. Computer science is more of studying algorithms themselves and isn't specific to a single language.

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 No.44

>>15

/maths/ is better

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 No.45

dead :(

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File: 7880f53739f7e69⋯.png (628.32 KB,1024x1024,1:1,iu.png)

 No.42 [Open thread]

A French electronic technician making videos on youtube has also created a website with a page that will contain a code that only insiders can read...

You don't choose to become an insider, you are chosen.

According to the author this code has nothing to do with freemasons.

The community of electronics enthusiasts is trying to solve this code without succeeding.

Do cryptography experts or enthusiasts have an idea of what its symbols mean?

Thanks guys ;)

Youtube channel: https://www.youtube.com/c/PhilippeDemerliac_Cyrob/about

Website: http://cyrob.org/

The web page with the code to be decoded: http://philippe.demerliac.free.fr/PQNVEQMLT.htm

A message from the electronics engineer: "And then you can ask for help from whomever you want - it's useless and nobody will find anything. This means of expression has existed for thousands of years and no uninitiated person has ever understood it and will never understand it, it is inherent to its very nature. And to cut all questions short, you don't choose to be part of this community or not, if you can call it that, you are in it or not and it's not chosen. Believe me, I wish I had that choice...."

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 No.43

Here also an encrypted note page: http://philippe.demerliac.free.fr/Articles/Students/Esot.jpg

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 No.39 [Open thread]

I managed to get my niece interested in nasa

and I need help to see any good books or materials to help her out especially since today is the moon landing

addendum;

science cult ideas

science cult ideas

Mayor- Anyone who can successfully build a sustainable settlement from scratch

Orator- anyone who can successfully teach how to read and write their native language to an immigrant

bonus points if you can build a printing press

Medic- I dont know what a good goalpost would be I guess being able to perform HABC first aid?

Craftsman - I suggest the ability to use bend glass wood and metal, clay if you feeling generous

priest/fireman -the ability to tell 10 fairy tales from memory

Traveler - someone who can sail .fly a plane and ride on horseback

any ideas for sciency bragging rigths titles?

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 No.40

File: d2c231d0048f8ca⋯.jpeg (9.29 KB,217x232,217:232,download_1_.jpeg)

thanks yall

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File: 982eac17cd275f3⋯.jpg (60.07 KB,750x500,3:2,creationofadam.jpg)

 No.17 [Open thread]

Thread for support, suggestions or simply direct contact with BO.

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