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anarchrist@lemmy.dbzer0.com
45 points

Fuck I thought that was an absolute factorial.

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jaybone@lemmy.world
7 points

Aren’t all factorials absolute factorials?

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driving_crooner@lemmy.eco.br
13 points
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Introducing, the signed factorial: ¡n! = n × -(n-1) × (n-2) x -(n-3) x … x (-1)^(n-2)(2) ×(-1)^(n-1)(1)

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jaybone@lemmy.world
11 points

We did it Lemmy!

Where’s our Nobel prize.

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kittehx@lemmy.blahaj.zone
7 points
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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)!

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anarchrist@lemmy.dbzer0.com
5 points

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

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