I am using Firefox RC1. The rest is self-explanatory.Right now I'm using Firefox in Safe Mode to post this, otherwise my computer will be jammed by all this memory overflow. I guess some of my add-ons might be causing the issue. Stay tuned.
This is my personal blog. I write about things & topics that I like, and sometimes I use it as a journal. I talk about basically any topic that is involved, and sometimes current issues, although I'm inclined to things like science & computing.
I am using Firefox RC1. The rest is self-explanatory.
Posted by
Freiddie
at
09:35
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Posted by
Freiddie
at
10:53
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Consider a region R in some Euclidean space of arbitrary dimensions. Assume a Cartesian co-ordinate system is given, then position vector C of the center of mass of the region R is given by:P.S. Now that I'm doing math problems frequently on the web, I suddenly realized that I might want to use LaTeX sooner or later...
C = ∫R r dm / ∫R dm
where r is the position vector, dm is the infinitesimal mass element, and the integrals are integrated over the region R. [Definition 1]
Now I found a different way of defining center of mass from the xkcd blag: the centroid can be defined as the point such that the sum of the squares of the distances to each point is minimized.
Is this really true? I think so, as long as I make a few minor changes, so I decided to prove this myself (not so rigorously, but good enough to convince me).
(more on SciLearn)
Posted by
Freiddie
at
13:45
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Posted by
Freiddie
at
14:15
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Posted by
Freiddie
at
07:42
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Posted by
Freiddie
at
17:30
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Posted by
Freiddie
at
20:59
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