|
|
|
|
|
|
|
|
|
 Posted: Sat Dec 15, 2007 7:20 am
If somebody'd ask me right now how my day was, I'd feel inclined to claw their eyes out. This is why:
So I'm trying to figure out the interaction dynamics between a point-shaped particle and a flexible rod-like object for my simulator. The dynamics include a function that is distance-dependent with six different parameters and one that is angle-dependent including such nifty things as an arcus tangens hyperbolicus. So far, so good. With the help of a physicist-colleague of mine I managed to figure out the integrals to these functions. They are, as he would say: "conveniently cupboard-sized".
In order to implement the stuff, I had to integrate them, so I just hammered them into the Wolfram-Integrator (an online-tool by Mathematica), and voila:
equation 1
equation 2
equation 3
equation 4
Aren't they pretty? A pain in the a** to implement, but well, at least do-able. So, happy with that, I went and presented it to the Prof. And guess what happened?
Online Integrators are not to be trusted, he told me. Integrate by hand, he told me, or at least differentiate the functions you got until you arrive at the derivative. All. Four. Of. Them.
Why me? Why? gonk
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sat Dec 15, 2007 8:47 am
I think they look like a lot of fun. Who wants to pay for me to add a math or physics degree to my list of degrees to get? -_-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sat Dec 15, 2007 8:54 am
Trust me, you don't want to differentiate those. Not with the ArcTan floating around in it and precious little ways to simplify the equation...
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sat Dec 15, 2007 6:15 pm
I'd still like to be able to say that I COULD.
I like math. I like problem solving. I feel useless. xD
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 5:23 am
*shakes head* How many times do I have to tell you that the university degrees actually mean nothing and do not have anything to do with what you are as a person? You are not useless, Silly.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 5:42 am
I don't mean pertaining to degrees and s**t. I'd rather just be able to do the math without needing to take all the bloody courses (though no employer would recognize it), I am useless because while I like math, and would like to be able to do it for you (for the fun of it), I am no help.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 6:00 am
Thank you very much for the offer, that's sweet, but I arrived at the conclusion it just cannot be done... at least not by me. Math was always my weakest subject... I have to find a workaround or pester one of my colleagues for it. sweatdrop
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 6:17 am
*Shrug* You've got to know people like me who'd do it for fun. I'm not the only insane one in the world. This is Germany we're talking about. You're all crazy over there.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 6:23 am
*snicker* I could run it by Planck, now that you mention it.
Huh. Weird. You see, we think exactly the same about you American Guys, especially after you got Schorsch Kabeljau for president... twice.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 6:41 am
Yeah, right. -_- Good idea.
Well, you see, the difference is; here, it's clinical.
You guys just don't make any ******** sense.
And while I agree, you are not allowed to talk about us and OUR crazy leaders. razz
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 6:45 am
Ffaux Pas
You guys just don't make any ******** sense.
Care to elaborate? I know I do not make any licking sense myself, but that this is a general trait of the German public is new to me...
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 6:50 am
Alright, it's a generalization. None of the Germans I've met do. Then again most of them are either eccentric, professors, addicted to boardgames, or friends of my ex's family who're all insane as well.
Introduce me to a few normal Germans and maybe I'll change my mind.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 7:01 am
*chuckles* Come over and I'll try my best. Just don't arrive during Karneval, because then I have to admit it is a lost cause... I *hate* Karneval.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 7:05 am
Ooh, what is it? >.> I'd probably like it, if you don't.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Posted: Sun Dec 16, 2007 7:17 am
Yeah, sure, I'm not surprised since it requires dressing up in silly costumes and consuming mass quantities of alcohol... xp
Hard to explain, actually. It is a tradition that came to be a mix of the pagan end-of-winter celebrations as they are still done in Switzerland, and a kind of public parody of the unwanted authority after the French occupation of the Rhinelands. The uniforms they wear in the parades are a spoof of the Napoleonic apparel, but the cannons are pointed backwards and the soldiers stick flowers in their wooden guns.
Cologne Karneval I
Cologne Karneval II
English stub of the german Wikipedia-entry
Nowadays it is just an excuse to get drunk in public.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Reply
