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Forum ยป What was the hardest maths you had to do? (tradies stay out)
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Thread: What was the hardest maths you had to do? (tradies stay out)

post 1524453571 10-31-2017, 12:22 PM
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post 1524453831 10-31-2017, 12:25 PM
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Originally Posted By BuddyBoyo⏩
ordinary differential equations and dynamical systems
probably ODE


dynamical systems, that's basically system dynamics I assume?




Would be surprised if anyone took past partial diff eq. since there is literally zero application past that.
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post 1524453881 10-31-2017, 12:25 PM
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Originally Posted By shesprints⏩
what I really want to know is why it's "maths" in England but "math" in America.

Maths? Really? Sounds like you have a lisp.
because it's mathematics not mathematic
post 1524453971 10-31-2017, 12:26 PM
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Originally Posted By shesprints⏩
what I really want to know is why it's "maths" in England but "math" in America.

Maths? Really? Sounds like you have a lisp.
in the UK if you say 'math' we assume you are abbreviating the word 'mathematic' and not 'mathematics'
it sounds weird to us when people say 'math', doesnt make sense
post 1524454341 10-31-2017, 12:29 PM
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Originally Posted By Jacobcapra⏩
probably ODE


dynamical systems, that's basically system dynamics I assume?




Would be surprised if anyone took past partial diff eq. since there is literally zero application past that.
yeah, it made sense when my prof drew a graph and showed what happens, you basically have nodes, and some eigenvectors, and the eigen values tell you how the system moves from those eigen vectors, you can deduce if the system is stable around that particular node
post 1524454441 10-31-2017, 12:30 PM
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#36
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Originally Posted By BuddyBoyo⏩
in the UK if you say 'math' we assume you are abbreviating the word 'mathematic' and not 'mathematics'
it sounds weird to us when people say 'math', doesnt make sense
the word mathematics is a singular noun though, which is why pluralizing the shortened version of the word sounds abrasive to most.
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post 1524454681 10-31-2017, 12:33 PM
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#37
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Originally Posted By BuddyBoyo⏩
yeah, it made sense when my prof drew a graph and showed what happens, you basically have nodes, and some eigenvectors, and the eigen values tell you how the system moves from those eigen vecotors, you can deduce if the system is stable around that particular node
That doesn't sound much like system dynamics, eigenvectors are parameters used in linear algebra. System dynamics uses primarily differential equations to solve equations for physical and electrical systems like circuits and mass-spring-damper systems.
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post 1524454861 10-31-2017, 12:35 PM
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#38
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I've always been average at math in high school but for the fuking life of me I could not understand calculus no matter what I did. I felt like a legitimate sub-IQ retard. Maybe I am but that's besides the point.

Derivatives and what not, (at least the simple ones) were okay but ho lee phuk after that is just some next level chit beyond my comprehension like all those differential equations and chit. then when you start applying trig functions to it my mind was literally blown I was like WTF.

I barely passed that class. I remember having this one test where it was all multiple choice and for every question you got wrong you lost a mark LMAO. You could either get it right and you gain 1 point, not answer it and lose/gain nothing or answer it wrong and lose 1 mark. I think it was just the professor fuking with us psychologically come to think about it back then because that was a dumb way to mark.
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post 1524455081 10-31-2017, 12:37 PM
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Originally Posted By sooby⏩
I barely passed that class. I remember having this one test where it was all multiple choice and for every question you got wrong you lost a mark LMAO. You could either get it right and you gain 1 point, not answer it and lose/gain nothing or answer it wrong and lose 1 mark. I think it was just the professor fuking with us psychologically come to think about it back then because that was a dumb way to mark.
He was probably preparing you for the SAT, since that is how it is scored.
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post 1524455111 10-31-2017, 12:38 PM
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Originally Posted By Jacobcapra⏩
That doesn't sound much like system dynamics, eigenvectors are parameters used in linear algebra. System dynamics uses primarily differential equations to solve equations for physical and electrical systems like circuits and mass-spring-damper systems.
this was for economics

just checked the module handbook

it was 'linear dynamical systems'

https://en.wikipedia.org/wiki/Linear_dynamical_system
post 1524455231 10-31-2017, 12:39 PM
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Originally Posted By Jacobcapra⏩
He was probably preparing you for the SAT, since that is how it is scored.
if so, fairly rough for a 1st year class
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post 1524455241 10-31-2017, 12:40 PM
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Hardest by society's definition or what I found the most difficult?

School was a few years ago, but thermodynamics and fluid hydraulics were semi difficult. Just a ton of applied differential equations. Most difficult personally was abstract algebra and dynamic systems. Kicked my little butt.
They said she's gone too far this time

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post 1524457781 10-31-2017, 01:03 PM
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Originally Posted By Comstarr⏩
2 + 2 is 4 minus 1 that's 3 quick maths
Came in expecting, was not disappointed. Repped.
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post 1524458331 10-31-2017, 01:08 PM
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Originally Posted By Jacobcapra⏩
He was probably preparing you for the SAT, since that is how it is scored.
The College Board has actually gotten rid of the wrong answer penalty on the test. It still applies to SAT IIs, though. Don't ask me why.
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post 1524458361 10-31-2017, 01:08 PM
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All math classes were easy to me, right up to calc 3, which kicked my ass so bad. Serious, dynamics of machines and vibrations was easy as hell compared to calc 3.

Luckily I was able to drop it and take vibrations instead for the requirement.
post 1524460091 10-31-2017, 01:23 PM
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Originally Posted By FA*******⏩
Three things stand out:

ODEs, cause **** that.

Linear algebra. I am mentally incapable of grasping base transforms and changes of base.

(and doing that and Diff Eq at the same time damn near killed me).

Probability. The math itself was easy, but we had a prof from MIT and she taught it the MIT way. Ho lee ****.

This is a homework solution from MIT's course page, pretty similar to what our assignments looked like.

k..
post 1524461001 10-31-2017, 01:31 PM
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Originally Posted By 11lemon11
Why is Maths difficult exactly? There are rules to follow. All you need do is follow them. That's what I heard from someone with a master's degree in mathematics from Oxford. .
This is like saying engineering is easy because you just put numbers into formulas. You have to know how and when to apply them too.
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post 1524461121 10-31-2017, 01:33 PM
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Originally Posted By AltarOfPlagues⏩
I'm extremely confident I would fail a linear algebra class as an adult.


^ I've used calc once ever in my engineering career and didn't need to.
This seems to be the same for almost all the other eng grads talk to
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post 1524461211 10-31-2017, 01:34 PM
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Originally Posted By zknarc⏩
This is like saying engineering is easy because you just put numbers into formulas. You have to know how and when to apply them too.
Erybody wants to be a math(s) genius but don't no one want to lift no heavy ass numbers.
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post 1524462011 10-31-2017, 01:42 PM
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My algebra 2 teacher was ass, or maybe I didn't apply myself, but that class was prob the worst of my life
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post 1524462311 10-31-2017, 01:44 PM
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I know so much math. Adding, subtracting, dividing...ummm.. that's about it.
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post 1524471331 10-31-2017, 03:03 PM
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some chit that you have to do in bussines economics studies is worse than anything in maths
post 1524472711 10-31-2017, 03:15 PM
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Originally Posted By faketaxidriver⏩
some chit that you have to do in bussines economics studies is worse than anything in maths
Like what lmao

And as of yet nothing i have done would i would call hard.
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post 1524474341 10-31-2017, 03:29 PM
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I took a graduate course in real analysis, that was probably the hardest class I have ever taken. I probably spent 20+ hours a week studying for that class alone.
post 1524474741 10-31-2017, 03:33 PM
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So for the hardest math that I have had to deal with in school:

Algebraic Topology (Hatcher)

Functional Analysis for PDE (basically at the level of Brezis and as applied in Taylor.)

Sometimes my mind is blown at how little most of the world understands any of the math developed in the last 250 years...I guess it is like when Chad sees people like me struggling to get laid, and it just doesn't make sense to him how such a simple, natural thing for him is so hard for everyone else.
post 1524475551 10-31-2017, 03:42 PM
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Since I only had to go as far as pre-calculus for my degree I guess that would be the hardest. I would like to take a calc 1 class in the future to see what it's like.

Definitely not great in math though.
post 1524475731 10-31-2017, 03:44 PM
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Originally Posted By FA*******⏩
Three things stand out:

ODEs, cause **** that.

Linear algebra. I am mentally incapable of grasping base transforms and changes of base.

(and doing that and Diff Eq at the same time damn near killed me).

Probability. The math itself was easy, but we had a prof from MIT and she taught it the MIT way. Ho lee ****.

This is a homework solution from MIT's course page, pretty similar to what our assignments looked like.

I dont understand all the phukking math lingo and symbolims half the time. Its all jargon, even to a math person to me. they should frame the problem and the respective variables in a more intuitative way.
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post 1524475941 10-31-2017, 03:47 PM
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Originally Posted By psychosylocibin⏩
I dont understand all the phukking math lingo and symbolims half the time. Its all jargon, even to a math person to me. they should frame the problem and the respective variables in a more intuitative way.
It means exactly what it says...There is hardly any jargon there except the probability notation for conditional probability, and the binomial coefficient notation. (n choose k)= n!/(k!(n-k)!).
post 1524475991 10-31-2017, 03:47 PM
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Probably Laplace transform didn't find it difficult per say, just weird
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post 1524476151 10-31-2017, 03:49 PM
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Subjectively: graduate differential geometry, specifically differential forms and De Rham cohomology
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