571
Spanish Notations (mander.xyz)
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[-] Blaze@lemmy.cafe 2 points 4 hours ago
[-] danc4498@lemmy.world 2 points 5 hours ago

Spanish mathematician! Is this for real?

[-] fushuan@lemm.ee 2 points 4 hours ago
[-] lugal@sopuli.xyz 28 points 11 hours ago

You don't need brackets in the Spanish notation. ¡{That's the whole point}!

[-] Venator@lemmy.nz 2 points 7 hours ago

Whyd you use curly brackets then?

[-] lugal@sopuli.xyz 4 points 7 hours ago

¿{Did I thought}?

[-] anton@lemmy.blahaj.zone 37 points 13 hours ago

The Spanish notation makes the parentheses around n-k obsolete, clearly saving one symbol in some formulas is worth introducing a new one in others.

[-] Redjard@lemmy.dbzer0.com 5 points 9 hours ago

Why not both?
n! / k! ¡n-k!

[-] ChaoticNeutralCzech@feddit.org 93 points 15 hours ago

¡Nobody expects the Spanish notation!

[-] anarchrist@lemmy.dbzer0.com 41 points 16 hours ago

Fuck I thought that was an absolute factorial.

[-] jaybone@lemmy.world 5 points 12 hours ago

Aren’t all factorials absolute factorials?

[-] anarchrist@lemmy.dbzer0.com 6 points 8 hours ago

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

[-] driving_crooner 9 points 12 hours ago* (last edited 12 hours ago)

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 6 points 11 hours ago* (last edited 7 hours 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 8 hours ago

How are you going to flip the signs though?

[-] kittehx@lemmy.blahaj.zone 3 points 7 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 12 hours ago

We did it Lemmy!

Where’s our Nobel prize.

[-] driving_crooner 7 points 9 hours ago

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

[-] Randelung@lemmy.world 3 points 7 hours ago

I heard biology branches out.

[-] TachyonTele@lemm.ee 15 points 14 hours ago
[-] the_dopamine_fiend@lemmy.world 7 points 15 hours ago
[-] Mango@lemmy.world 1 points 10 hours ago
this post was submitted on 05 Nov 2024
571 points (98.8% liked)

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