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[-] jaybone@lemmy.world 7 points 1 year ago

Aren’t all factorials absolute factorials?

[-] driving_crooner@lemmy.eco.br 14 points 1 year ago* (last edited 1 year ago)

Introducing, the signed factorial: ¡n! = n × -(n-1) × (n-2) x -(n-3) x ... x (-1)^(n-2)(2) ×(-1)^(n-1)(1)

[-] jaybone@lemmy.world 11 points 1 year ago

We did it Lemmy!

Where’s our Nobel prize.

[-] driving_crooner@lemmy.eco.br 10 points 1 year ago

There's no Nobel price for mathematics, but I can accept the one for peace instead.

[-] Randelung@lemmy.world 5 points 1 year ago

I heard biology branches out.

[-] kittehx@lemmy.blahaj.zone 8 points 1 year ago* (last edited 1 year ago)

I'd prefer an alternative definition that starts with the base case ¡0! = 1, and then for n > 0 we define ¡n! = n * -¡(n-1)!

[-] jaybone@lemmy.world 3 points 1 year ago

How are you going to flip the signs though?

[-] kittehx@lemmy.blahaj.zone 5 points 1 year ago

oop there was a real stupid typo where I forgot the minus sign lmao

it's fixed now

[-] anarchrist@lemmy.dbzer0.com 6 points 1 year ago

It's the same calculation but you also take a shot of vodka for all integers less than n but greater than 0

this post was submitted on 05 Nov 2024
642 points (98.8% liked)

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