this post was submitted on 05 Nov 2024
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Science Memes

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[–] driving_crooner@lemmy.eco.br 8 points 10 hours ago* (last edited 10 hours ago) (2 children)

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

[–] kittehx@lemmy.blahaj.zone 5 points 9 hours ago* (last edited 6 hours ago) (1 children)

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 2 points 6 hours ago (1 children)

How are you going to flip the signs though?

[–] kittehx@lemmy.blahaj.zone 3 points 6 hours ago

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

it's fixed now

[–] jaybone@lemmy.world 7 points 10 hours ago (1 children)

We did it Lemmy!

Where’s our Nobel prize.

[–] driving_crooner@lemmy.eco.br 7 points 7 hours ago (1 children)

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

[–] Randelung@lemmy.world 3 points 5 hours ago

I heard biology branches out.