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[-] driving_crooner@lemmy.eco.br 53 points 1 year ago

Complex numbers are as real as the Real numbers.

[-] kogasa@programming.dev 55 points 1 year ago

For that matter, the real numbers are fake as fuck. "Ah yes, let's just throw in uncountably many non-computable numbers." They have played us for absolute fools.

[-] lugal@lemmy.ml 16 points 1 year ago

Big math is laughing at us right now

[-] cpw@lemmy.ca 13 points 1 year ago

The set of all rational numbers has zero size in the real numbers. And yet, they're fucking dense, meaning you can find a rational arbitrarily close to any real number. I mean, what the fuck?

[-] starman2112@sh.itjust.works 7 points 1 year ago* (last edited 1 year ago)

That's it, I'm Amish now. I use inches and fractions of inches, and that's as far as my numbers need to take me

[-] ThePyroPython@lemmy.world 4 points 1 year ago

No that just makes you an American Mechanical Engineer.

[-] Gutek8134@lemmy.world 5 points 1 year ago

Their subset, irrational numbers, is somehow worse

[-] funnystuff97@lemmy.world 0 points 1 year ago

"there are as many even/odd/prime/composite numbers as there are numbers"

g(63)? TREE(3)? BB(10^100)? Rayo's Number? Fuck outta here with that fake bullshit

[-] starman2112@sh.itjust.works 2 points 1 year ago

Yeah TREE(3) is so big, how can you possibly know that there are that many evens??

[-] joneskind@beehaw.org 20 points 1 year ago

The fact that you can’t solve any real life electro-magnetism problem without them kinda put an end to that complex shaming nonsense.

Yet there are still people to miss the absolute poetry of their story.

In 1545, an Italian genius called Gerolamo Cardano was pissed he couldn’t solve square root of negative number.

« Fine! I’ll make it myself » he said, before sending everyone to hell.

He then invented an imaginary number i whose square would be -1.

It wasn’t until centuries later that another famous genius named Leonhard Euler found a practical use of those numbers.

Without those numbers we would still be living like 1800´s peons.

[-] driving_crooner@lemmy.eco.br 9 points 1 year ago

In 1545, an Italian genius called Gerolamo Cardano was pissed he couldn’t solve square root of negative number.

Iirc, it was while trying to solve cubic polynomials, that he found out that accepting the existence of sqrt(-1) let him solve them.

[-] sj_zero@lotide.fbxl.net 1 points 1 year ago

It's sorta strange that complex numbers seem to be basically used as an ersatz coordinate system.

[-] lorty@lemmygrad.ml 2 points 1 year ago

Not only that, but their existence is implied wven when working just with real numbers!

[-] ziggurism@lemmy.world 0 points 1 year ago

complex numbers are just numbers in a plane instead of a line. saying you don't believe in i is like saying you don't believe in "up"

[-] nodsocket@lemmy.world 0 points 1 year ago

I can't tell if this is supposed to be a joke

[-] EmoBean@lemmy.world 17 points 1 year ago

I'm irrational because I'm a πces.

[-] fossilesque@mander.xyz 5 points 1 year ago

Can I pi you a drink?

[-] fastandcurious@lemmy.world 4 points 1 year ago

I remember a very beautiful line my teacher told me

Its translated so it might not be as good

‘It’s not necessary for everything to have a meaning, but everything does bring meaning if you know how to use it’

[-] fosho@lemmy.ca 2 points 1 year ago* (last edited 1 year ago)

the punchline comes before the joke.

what's the worst part about time travel jokes?

[-] CyberTailor@beehaw.org 1 points 1 year ago

Soyjak saying "√(-1) = i" would make more sense

this post was submitted on 19 Nov 2023
377 points (91.2% liked)

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