367
Promise (2024-11-11) (midwest.social)
submitted 1 month ago by m_f@midwest.social to c/smbc@midwest.social

https://www.smbc-comics.com/comic/promise-2

Alt textThis is more commonly known as the median voter theorem.

Bonus panel

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[-] FooBarrington@lemmy.world 6 points 1 month ago

Wait... If you add all the numbers together, don't you get 0? Since for every number you're also adding the negative.

[-] Acters@lemmy.world 6 points 1 month ago

Huh that would make him the most truthful politician... What a paradox

[-] HeurtisticAlgorithm9@feddit.uk 4 points 1 month ago* (last edited 1 month ago)

You're probably gonna hate this, but I think it actually matters how you add them up. Cuz think if you add 0 + 1 + 2 - 1 + 3 - 2 + 4... that pattern will always be positive. (And this is assuming we're only using integers)

[-] FooBarrington@lemmy.world 5 points 1 month ago

And this is why I don't ask the mathematicians in my life to sum up infinite lists of integers anymore. Smh

[-] voldage@lemmy.world 2 points 1 month ago

Technically (not really) sum of all positive integers results in -1/12, which is due to the nature of infinite series and MATH I no longer understand. So it stands to reason, that if you add a -1 multiplier and sum results of both series together, you would get 0! Approximately.

[-] TechieDamien@lemmy.ml 4 points 1 month ago
[-] HeurtisticAlgorithm9@feddit.uk 2 points 1 month ago

I also can't remember the maths, but iirc the -1/12 value is based on a faulty assumption somewhere in the calculation (probably dividing by 0 at some point)

[-] voldage@lemmy.world 3 points 1 month ago

The faulty assumption in the more naive approach was treating operations on infinite series in the same way you would treat operations on finite sums. The order of elements being added is important, as it does change the series, and the naive approach based on putting 0 in between each numbers like 0 + 1 + 0 + 2 + ... which was incorrect. There are ways to prove it does sum up to -1/12 from what I remember though, it's just the addition of 0's that's bad.

this post was submitted on 12 Nov 2024
367 points (98.9% liked)

Saturday Morning Breakfast Cereal

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