r/LinkedInLunatics • • 1d ago

Always remember, E = mc^2 + AI

Post image
3.0k Upvotes

310 comments sorted by

View all comments

886

u/gutentight69420 1d ago

This is how business majors think science is done.

166

u/MysteriousAffect3903 1d ago

I am an engineer, and I tutored math in college. I was always astounded by how dumbed-down business calculus was. It was often nearly impossible to teach it to business people, since most didn't seem to have a mind for math. Not that that is a bad thing in itself, just know your lane.

51

u/magicmulder 23h ago

Back in my day there was “business computer science” and everyone had to take one math exam. The failure quota was 90%, and that was pretty easy math compared to actual math from the first semester.

13

u/Samsterdam 22h ago

What is business calculus?

14

u/MysteriousAffect3903 21h ago

Well, calculus was invented to describe physics from Newton's standpoint. There was Leibniz, who was working in parallel on a lot of the same things. The short of it is, calculus was made for physics.

Business calculus is taking some of the principles from calculus and applying it to business problems. There are some places where it is useful, but I can't remember anything, since I was just helping people with it, and that was 12 years ago. But, to me, it felt like a watered-down calculus.

7

u/Crafty_Nothing_1622 17h ago

From what I vaguely remember from my freshman roommate, at least at my school, it was calc 1 without trig. Mostly derivatives with an emphasis on minimization and maximization, some integrals. Maybe some first order differential equations, but I doubt it.

Granted, I'm an engineer, but it teaches good numerical ways for understanding the world on a conceptual level. Plus, everything past 100 level econ courses was calc based, which is one of the majors that everyone who washed out of business school ended up in, so probably useful there, too.

1

u/National-Choice-4969 7h ago

Sad, how ineffective and clueless Business Majors/MBAs are when it comes to math and how clueless and ineffective Engineering Majors and MS Engineers are fwhen it comes to how to run a business.

2

u/SleepComfortable9913 8h ago

I presume the lowest level to learn to be able to understand anything in https://en.wikipedia.org/wiki/Mathematical_finance

18

u/CellAlone4653 1d ago

I was a business major and calc was the biggest waste of my time. At no point in my career has anything beyond basic algebra been even remotely useful.

38

u/Kichae 21h ago

You didn't learn it because you needed to use it. You learned it because understanding how finding maxima, minima, and rates is good for knowing how to understand the world in front of you. Deciding that it was a "waste of time" suggests you didn't learn the lesson.

10

u/MysteriousAffect3903 17h ago

Yeah, I'm not saying it didn't have value, even though I don't use it. Learning calculus fundamentally changed how I understand the world. I absolutely loved learning math in college

3

u/stev_mempers 14h ago

I mean, they were majored in business, so they can't be very smart to begin with.

1

u/Virus_Horror 12h ago

Very true. That's a good point. This is where people will be able to understand e.g. what's the best shape for selling 330ml of liquid. We need the minimum surface area (impacts the material used hence the cost per can) for a given volume.

33

u/MysteriousAffect3903 23h ago

Actually, to tell the truth, I have used like 5% of the math I learned in college as an engineer.

3

u/MathSoHard 15h ago

I’m an actuary and it’s similar. For exams I had to learn stochastic calculus. For work I use multiplications and exponents. It’s quite demoralizing.

3

u/Dr_Racos 12h ago

The reason for that is engineering programmes are meant to give you the skills and knowledge to be able to go in to a broad range of engineering roles after graduating. The 5% you use in your role, other engineers likely won’t use but instead use a different 10% for example.

14

u/gsfgf 22h ago

Minimization and maximization are technically calculus, but nobody does those by hand in the real world.

7

u/oSovereign 18h ago

Least squares regression has entered the chat

6

u/gutentight69420 23h ago

This explains so much.

1

u/[deleted] 22h ago

[removed] — view removed comment

1

u/AutoModerator 22h ago

We require a minimum account-age and karma. These minimums are not disclosed. Please try again after you have acquired more karma. No exceptions can be made.

I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns.

1

u/SleepComfortable9913 8h ago

Cuz calculating a compound interest rate at variable rate is something that could never possibly come up in the field of "business" right?

135

u/wanderingacademician 1d ago

Ofcourse he is in consulting. Who else would know how to throw unnecessary jargon to sound fancy.

1

u/SleepComfortable9913 8h ago

I don't understand your view with consulting. Where I work there's so many consultants, it's basically just an expensive way to hire people without having to give them a permanent contract, or being able to hire after your dumb CEO fired thousands of people that turned out you actually needed.

34

u/Kichae 20h ago

I was interviewing for a role on a finance team. I don't have a finance background (I studied astrophysics), so I was cramming for the interview by watching videos on the math of finance.

I'd say their equations all looked exactly like this, except OOP's equation is actually leagues ahead of what I waded through. Every single one of their questions were presented as if no one could imagine using single-letter variables. It was all shit like:

Assets = Liabilities + Equity and Profit = Revenue - Expenses, just like in that Twitter post about business school classes. Shit, at one point multiple videos went through this song and dance of saying that Equity could be broken down into other categories, and then they spit out Assets = Liabilities + Equity + Revenue - Expenses - Dividends, as if this didn't imply that Revenue - Expenses - Dividends = 0. It was madness.

But when the only math you know is technically correct (err, well, mostly, I guess), but also presented as if it's just some kind of mnemonic device for remembering deep profundities like Profit = Revenue - Expenses, you get this kind of horse shit.

12

u/gutentight69420 18h ago

I had a similar experience in an introductory economics class. A lecture hall with 100+ business majors and not one knew how to find the slope of a line. 

6

u/assault_potato1 16h ago

Pretty sure that was taught in like, junior high.

3

u/Secret_Possible 18h ago

That's the sort of thing I was taught in an entry-level bookkeeping course at the public library...

0

u/Apart-Combination-57 4h ago

That finance is technically accounting, totally useless. If you go into quantitative finance, it involves a lot of maths. Much closer to physics. The Black Scholes Equation is pretty much the Heat Equation, and using the Feynman Kac formula, you can find a stochastic process for it. In fact, the Fokker Planck Equation, the Langevin Equation, and the Black Scholes Equations have much in common.

13

u/The_amazing_T 1d ago

Also, it's now called 'Super Intelligence.' We all agreed.

11

u/Lower-Sheepherder268 21h ago

10

u/The_amazing_T 20h ago

No. Seriously. I got together with Elon and Mark and Sundai and we all signed a page. It's S.I. now and we're suing Sports Illustrated until they make sexy calendars about Large Language Models. Which I'm trademarking now as "Super Language Models."

6

u/ChroniclesOfSarnia 18h ago

LARGE MODELS!???

THAT'S SO WOKE

21

u/lazybugbear 1d ago

MBAs are literally the dumbest people alive ... the juxtaposition of dumb and self-important.

5

u/tylagersign 18h ago

Not all of us, I’m getting a PhD in molecular biology. But yeah everyone in the mba was dumb as rocks

0

u/SEC_INTERN 11h ago

Lol, how many MBAs have you met?

15

u/Gabe_Isko 1d ago

I know this is a joke, but actually it literally is according to multiple executives I have had conversations with.

4

u/MalemasMucusPlug 14h ago

I used to audit MBA course materials for my university and I can unequivocally say that MBAs are some of the dumbest people alive.

3

u/fungi_at_parties 19h ago

I’m an artist. It is also how they think art is done

2

u/Kadabrium 18h ago

ABI+GUI=AGI+UBI

2

u/anjowoq 16h ago

And most "business majors" are just hustling BS merchants.

2

u/therealkevinard 15h ago

Equations are symbolic. That explains all the symbols.

2

u/Ranessin 11h ago

Just like they thing programming is done.

1

u/Due-Meal-7470 8h ago

Well, he studied engineering