Staredit Network > Forums > Lite Discussion > Topic: Find theta
Find theta
Oct 16 2010, 4:21 pm
By: Aristocrat  

Oct 19 2010, 3:50 am poison_us Post #21

Master has given Dobby a doctorate! Dobby is free!

Quote from Aristocrat


Arrived at this equation after I'm halfway done with a problem and can't figure out a way to isolate theta.

Maybe you messed up somewhere earlier. Any chance that you might post the original equation?





Oct 19 2010, 4:03 am Vrael Post #22



It's just the usual parameterization of a particle on an earth trajectory (no drag forces or anything, just the gravitational potential field).

x = vcos(theta)t
y = vsin(theta)t - .5at^2



None.

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[06:02 pm]
Zoan -- of course it isn't full understanding. You could ask "is the mechanism by which this counterexample blows up the ONLY mechanism possible for an initial configuration to blow up?"
[05:48 pm]
Zoan -- ppl do it all the time in PDEs
[05:47 pm]
Zoan -- Heinermann
Heinermann shouted: it also didn't solve that problem but hey as long as the investors are pleased
Constructing a counterexample is answering the question: "Is Navier Stokes well posed?" in the negative
[05:44 pm]
NudeRaider -- I only heard about it, didn't any news article, so what did it do then?
[05:43 pm]
Heinermann -- it also didn't solve that problem but hey as long as the investors are pleased
[05:39 pm]
NudeRaider -- I have no idea tbh. All I know no human was ever able to solve it, but there's at least a few that beat portal ;)
[05:32 pm]
Zoan -- Navier Stokes is not that esoteric I thought
[04:32 pm]
NudeRaider -- Zoan
Zoan shouted: I find it kind of sad that on the same day it was announced AI solved Navier Stokes, it was also announced AI beat Portal, and there's a good deal of people who don't know which is more impressive
you find it sad not everyone is a math nerd?
[03:25 pm]
NudeRaider -- (and yes, I capitalized that correctly :ego:)
[03:24 pm]
NudeRaider -- Symmetry
Symmetry shouted: Hi not I'm dad
Hi dad, I'm nude
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