this post was submitted on 19 Nov 2023
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Science Memes

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Imaginary friends. (mander.xyz)
submitted 9 months ago by [email protected] to c/[email protected]
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[–] [email protected] 53 points 9 months ago (5 children)

Complex numbers are as real as the Real numbers.

[–] [email protected] 55 points 9 months ago (4 children)

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.

[–] [email protected] 16 points 9 months ago

Big math is laughing at us right now

[–] [email protected] 13 points 9 months ago (1 children)

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?

[–] [email protected] 7 points 9 months ago* (last edited 9 months ago) (1 children)

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

[–] [email protected] 4 points 9 months ago

No that just makes you an American Mechanical Engineer.

[–] [email protected] 5 points 9 months ago

Their subset, irrational numbers, is somehow worse

[–] [email protected] 0 points 9 months ago (1 children)

"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

[–] [email protected] 2 points 9 months ago

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

[–] [email protected] 20 points 9 months ago (2 children)

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.

[–] [email protected] 9 points 9 months 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.

[–] [email protected] 1 points 9 months ago

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

[–] [email protected] 2 points 9 months ago

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

[–] [email protected] 0 points 9 months 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"

[–] [email protected] 0 points 9 months ago

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

[–] [email protected] 17 points 9 months ago (1 children)

I'm irrational because I'm a πces.

[–] [email protected] 5 points 9 months ago

Can I pi you a drink?

[–] [email protected] 4 points 9 months 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’

[–] [email protected] 2 points 9 months ago* (last edited 9 months ago)

the punchline comes before the joke.

what's the worst part about time travel jokes?

[–] [email protected] 1 points 9 months ago

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