Wait bottom mathematican is using j=√-1 instead of i and not the engineer? Because I’m EE gang, and all my homies use j.
UwU brat mathematician behavior
Submitted 2 months ago by fossilesque@mander.xyz to science_memes@mander.xyz
https://mander.xyz/pictrs/image/a9b2c785-b0aa-4481-a49c-7f7fc6e40b5f.png
Comments
PM_ME_VINTAGE_30S@lemmy.sdf.org 2 months ago
GandalfTheDumb@lemmy.world 2 months ago
That part also got me really confused. All the mathematicans I know use i while engineers use i or j depending on the kind of engineer. I’ve never seen a Pikachu engineer using anything other than j.
Ganbat@lemmy.dbzer0.com 2 months ago
Pikachu engineer
That’s a fucking favorite now. Keeping that in my back pocket.
ryedaft@sh.itjust.works 2 months ago
OPs boyfriend is obviously an i engineer and hates j engineers. No one can stay angry at mathematicians - engineers on the other hand…
wetbeardhairs@lemmy.dbzer0.com 2 months ago
The fun starts when you study quaternions
i^2 = j^2 = k^2 = ijk = −1bisby@lemmy.world 2 months ago
I agree. Clearly i is current. What is this i=√-1 nonsense.
grysbok@lemmy.sdf.org 2 months ago
[Lapsed] mechanical engineering gang checking in. I was also surprised. Though, tbh, I think it came down to personal preference of the professor more than field-wide consensus.
affiliate@lemmy.world 2 months ago
a real mathematician would use
(0, 1)instead ofi
lemmy_outta_here@lemmy.world 2 months ago
NGL, this is hot.
AnarchoEngineer@lemmy.dbzer0.com 2 months ago
I’m a mechanical engineering student with a math minor and I’m a switch so yeah, I’d take either side of this
iAvicenna@lemmy.world 2 months ago
operative?
sartalon@lemmy.world 2 months ago
As an EE, I used both. Def not a mathematician though. Fuck that, I just plug variables into programs now.
the_tab_key@lemmy.world 2 months ago
I have both mechanical and electrical backgrounds. MEs like I, EEs prefer j
SanicHegehog@lemmy.world 2 months ago
imaJinary
TIL engineers can’t spell for shit.
zeca@lemmy.eco.br 2 months ago
The associativity thing also doesnt make sense.
Unlearned9545@lemmy.world 2 months ago
Engineer here: mostly use i, but have seen j used plenty. First time I saw j used was by a maths professor.
iAvicenna@lemmy.world 2 months ago
Interesting I never saw j from a maths person. Friends (from a decade ago!) in electronics eng dep said they use j because i was reserved for current.
jenesaisquoi@feddit.org 2 months ago
Cannot confirm, we always used i.
Kolanaki@pawb.social 2 months ago
Me, a language/arts person: “Huh?”
axEl7fB5@lemmy.cafe 2 months ago
Web dev here. “Huh?”
jenesaisquoi@feddit.org 2 months ago
Webdev not knowing anything about computer science (and thus mathematics)? I am shocked. Shocked!
lena@gregtech.eu 2 months ago
Fullstack dev here. “Huh?”
Sterile_Technique@lemmy.world 2 months ago
Medical here. “Huh?”
nfamwap@feddit.uk 2 months ago
Moron here. “Huh?”
CosmicTurtle0@lemmy.dbzer0.com 2 months ago
This is the kind of brat I can get behind. 😏
_g_be@lemmy.world 2 months ago
😏
ShinkanTrain@lemmy.ml 2 months ago
Randelung@lemmy.world 2 months ago
Something something distance calls for norm, not just squares.
||i||² + ||1||² = 2
bitcrafter@programming.dev 2 months ago
Imagining your death.
davidagain@lemmy.world 2 months ago
This one made me laugh almost as much as the OP. Thank you!
_stranger_@lemmy.world 2 months ago
sado-mathochist
Seasm0ke@lemmy.world 2 months ago
Well done, truly
burntbacon@discuss.tchncs.de 2 months ago
Thado-mathocist. The real chad all along.
It makes me wonder if somewhere out there in a multiverse, a community of lisping incels all collectively draw the chad wojak as as an aramaic looking dude.
Almacca@aussie.zone 2 months ago
I have no idea what they’re talking about, but I do love a happy ending.
vivalapivo@lemmy.today 2 months ago
As a physicist I can’t understand why would anyone complain about a +jb or $\int dx f(x)$. Probably because we don’t fuck
RamblingPanda@lemmynsfw.com 2 months ago
As a software dude I can see you wrote a regex, I just can’t find out what you’re trying to match.
vivalapivo@lemmy.today 2 months ago
Heeyy… So when you need to express something more, well, delicate than just code, you need to use math symbols. For that you can use tex expressions. Modern markdown supports it: just copy and paste the $…$ part
AusatKeyboardPremi@lemmy.world 2 months ago
Pardon my denseness, but is this sarcasm? Since that is a TeX snippet.
Why would a RegEx start with a
$?
Phoenix3875@lemmy.world 2 months ago
I think rather
d/dxis the operator. You apply it to an expression to bind free occurrences ofxin that expression. For example,dx²/dxis best understood asd/dx (x²). The notation would be clear if you implement calculus in a program.bhamlin@lemmy.world 2 months ago
If not fraction, why fraction shaped?
Amir@lemmy.ml 2 months ago
If you use exterior calculus notation, with d = exterior derivative, everything makes so much more sense
yetAnotherUser@discuss.tchncs.de 2 months ago
I just think of the definition of a derivative.
dis just an infinitesimally small delta. Sody/dxis literally justlim (∆ -> 0) ∆y/∆x. which is the same aslim (x_1 -> x_0) [f(x_0) - f(x_1)] / [x_0 - x_1].Note:
∆ -> 0isn’t standard notation. But writing∆x -> 0requires another step of thinking:y = f(x)therefore∆y = ∆f(x) = f(x + ∆x) - f(x)so you only need∆xapproaching zero. But I prefer thinkingd = lim (∆ -> 0) ∆.
OsrsNeedsF2P@lemmy.ml 2 months ago
Better plot than 50 Shades of Grey
xx3rawr@sh.itjust.works 2 months ago
hehe plot. getit? math and graphs and shit
OsrsNeedsF2P@lemmy.ml 2 months ago
Lmao kill yourself
laserm@lemmy.world 2 months ago
Why would a mathematician use j for imaginary numbers and why would engineer be mad at them?
CyanideShotInjection@lemmy.world 2 months ago
The only thing I can think of is that the OP studied electrical engineering at some point. But it’s a 4chan story so probably fake anyway.
dandelion@lemmy.blahaj.zone 1 month ago
fake and gay?
prex@aussie.zone 2 months ago
I think it might be the wrong way around: Engineers like to use j for imaginary numbers because i is needed for current.
AlboTheGuy@feddit.nl 2 months ago
Mathematicians are taught to be elastic with notation, because they tend to be taught many different interpretations of the same theory.
On the other hand engineers use more strict and consistent notation, their classes have a more practical approach.
Using the same notation makes it faster to read and apply math, a more agile approach helps with learning new theories and approaches and with being creative.
selokichtli@lemmy.ml 2 months ago
They both bottoms.
edinbruh@feddit.it 2 months ago
Relationship goals
Thordros@hexbear.net 2 months ago
I believe the correct terminology is denominator mathematician.
itslilith@lemmy.blahaj.zone 2 months ago
$\int dx f(x)$ is standard notation for physicists
BudgetBandit@sh.itjust.works 2 months ago
I love how that wannabe 4chan nerd just got outnerded in the comment section
Etterra@discuss.online 2 months ago
Can somebody ELI5 this for my troglodyte writer brain?
marcos@lemmy.world 2 months ago
Hum… I don’t think the integral “operator” applies by multiplication.
You can put the dx at the beginning of the integral, but not before it.
djsoren19@lemmy.blahaj.zone 2 months ago
Gods I wish I had a top to troll like this
answersplease77@lemmy.world 2 months ago
so after he angered his bf he got fucked as in trouble with him or sex? raped? wtf lol
woodenghost@hexbear.net 2 months ago
But physicists actually do that? They often write it like this: ∫ dx f(x) or this: ∫∫∫ dxdydz f(x,y,z)
davidagain@lemmy.world 2 months ago
Thank you for the belly laugh!
ayyy@sh.itjust.works 2 months ago
Why are we still visiting literal pro-Nazi websites?
jsomae@lemmy.ml 1 month ago
My initial thought was that it’s surprising that the engineer is using i whereas the mathematician is using j. But I know some engineers who are hardcore in favour of i. No mathematicians who prefer j though. So if such an engineer were dating a mathematician of all people who used j, I could see that being ♠ .
tfowinder@beehaw.org 2 months ago
Learned a new word, Hate ****
Droggelbecher@lemmy.world 2 months ago
Physicist behavior
Zagorath@aussie.zone 2 months ago
Fake and gay.
No way the engineer corrects the mathematician for using j instead of i.
LeFrog@discuss.tchncs.de 2 months ago
As an engineer I fully agree. Engineers¹ aren’t even able to do basic arithmetics. I even cannot count to 10.
¹ Except maybe Electrical engineers. They seem to be quite smart.
boonhet@sopuli.xyz 2 months ago
Engineer here, I can definitely count to 10 tho
0 1 10
gnutrino@programming.dev 2 months ago
Electrical engineers are the ones that use j though (because i is used for current)
thomasloven@lemmy.world 2 months ago
10? That’s the name some put to 1e1, right?
exasperation@lemmy.dbzer0.com 2 months ago
Yup, I can count just fine to 10: black, brown, red, orange, yellow, green, blue, violet, gray, white.
Baguette@lemmy.blahaj.zone 2 months ago
The inner machinations of an electrical engineer is too complicated for me to understand, I think they might be thinking on a higher order to understand these circuits
Thats why I barely passed my electrical engineering class lol
Fedizen@lemmy.world 2 months ago
Having worked with electrical engineers, some of them are quite smart, the rest have lead poisoning.
Hoimo@ani.social 2 months ago
How do we know it’s gay though? OP could be a girl (male)
SippyCup@feddit.nl 2 months ago
Because it’s 4chan. And there are no women on the Internet on 4chan
floquant@lemmy.dbzer0.com 2 months ago
Sure OP is a girl. Guy In Real Life
ByteJunk@lemmy.world 2 months ago
Newfag.
(sorry! seemed like the appropriate 4chan reply)
TheSlad@sh.itjust.works 2 months ago
Right? They got that shit backwards. Op is a fraud. i is used in pure math, j is used in engineering.
Chakravanti@monero.town 2 months ago
That’s hilarious. You’re not seeing what’s going on backwards just like that (as I point at the point going nowhere shitty) in an equation that is finding as many clAEver ways to say something you actually not caring about talking about.
That’s like, "How many time van express the only thing that van’t be done until the 'verse itself tries to do what can’t be done and sever your…
…Oh, I see…you don’t have ([of course, because you can’t have to give {is}) nothing)] to give.
Unable to sea time doesn’t mean we can’t see(k)ER the mAETh.ac(k).cc(k).08
The only thin(g):(k) that doesn’t ever be never, is not at alla hack(g)in(g).G your lackthereof to divi…
kogasa@programming.dev 2 months ago
The mathematician also used “operative” instead of, uh, something else, and “associative” instead of “commutative”
Zagorath@aussie.zone 2 months ago
I think they meant “operand”. As in, in the way dy/dx can sometimes be treated as a fraction and dx treated as a value.
NeatNit@discuss.tchncs.de 2 months ago
My thoughts exactly lol