/sci/ - Science & Math

>>1768822
A good way to describe studying engineering is you get big word problems with a picture and then you need to do a 6 page calculation to get some temperature somewhere using nothing other than basic arithmetics.
I mean the hardest thing I had to integrate in a test outside calculus was a polynomial.
I hope that its just my shitty country that educated engineers like that and not the rest of the world too

<div class="math">\left ( \frac{1}{2} \right )^2=\left ( -\frac{1}{2} \right )^2\Rightarrow \frac{1}{2}=-\frac{1}{2}\Rightarrow1=-1\Rightarrow0=2</div>

>>1768730
1)Basically they just told me to use matlab to solve problems
2)Chemical engineer, when I grew up I was always impressed by the equations used for example flued flow and thought as a Chemical engineer il work with it but it seems I was wrong, everyone just uses programs such as mathematica or thermosolver or watnot and completely ignores the math
3) at the moment I'm in a management position and don't really do much engineering which gives me lots of time to study mathematics (working on manifolds now)
4)studied 4 years

>>1768695
I had to study math on my own (yes I am an engineer). the only thing we ever did in university was how to solve linear systems of equations and calculating integrals, which is kinda disturbing seeing as I use a lot of the things I had to learn on my own in my job.

>>1768669
yes well, for engineers that's some high level stuff

>>1768621
before telling me to stop making stuff up go read advanced engineering mathematics by kreyszig then integrate
<div class="math"> Q=-k\oint_{S}\nabla T\cdot dA</div>

>>1768580
>he doesn't know the heat conduction for a homogeneous material of 1-D geometry between two endpoints at constant temperature when he sees it
>laughinggirls.jpg

why do you have a picture of the heat diffusion equation if the thread is about electrodynamics?

Why is it filed with penises?

number of electrons/time = electrons per second
electrons per second/6.242×10^18 = ampere

6.242×10^18 electrons per second is one ampere

>>1767835
So you are saying an all powerful god created nothing?
seems like a waste to me

>>1766830
Fuck I feel like a dumbass

thanks you

>>1766808
I know, its just that a3 fucks everything up no matter what method I try

can someone help me with solving the following deferential equation, or give me a link to something that handles on equations of this form
<div class="math">\frac{dy}{dx} = a_1 y^4 + a_2 y + a_3</div>

>>1766432
Why do you compare the notation of:
derivatives to
flux to
derivatives to
the derivative operator to
partial derivatives?

oops, should be
<div class="math">(N+1)\sum_{n=0}^{N+1}n=\frac{(N+2)(N+1)^2}{2}</div>

<div class="math">(N+1)\sum_{n=0}^{N+1}n=\frac{N(N+1)^2}{2}</div>

if you were 1m away and the ball was 1000 tons then you would accelerate at a rate of 5.516*10^-5 m/s^2 to it

he would slowly float towards it

<div class="math"> distance \times time = speed</div>

>>1763697
2 things:
use \times instead of *
put "eqn" in square brackets before the equation

double click on it to see

>>1763669
I hope you are joking, but since I have time:
<div class="math">\frac{distance}{time}=speed</div>