2, 3d euclidian geometry, forces, etc
Mon Feb 7 21:08:00 GMT 2000
Are there any plans to support euclidian vector algebra in n
dimensions? Preferably with user-defined physical field properties?
Specifically I want to be able to do things like define two vectors,
v_1, and v_2, have v_1 radiate a force decreasing at 1/distance^2, and
calculate the the force vector across all of v_2. This is more complex
than simple point sources, but there doesn't even seem to be support
for those. It could be argued that a two body case is so trivial it
doesn't need supporting, which is probably true, but n body cases and
non point sources are hard work and useful in many (even non-physics)
applications. i.e the v_1, v2 example I mentioned above forms part of
an optimisation solution I have for laying out 2d chemical labels
(part-of-molecule number, atomic weight, charge, etc) over a 3d
polynucleartide in such a way as to avoid the labels writing accross
each other. If there is some simple way to do this with gsl that
I've missed, please let me know.
Warren Air Force Base in Cheyenne, Wyoming, recorded a message that
one of its Minuteman III intercontinental ballistic missiles was
about to launch from its silo due to a computer malfunction. To
prevent the possible launch, an armored car was parked on top of
- Shaun Gregory, The Hidden Cost of Deterrence: Nuclear Weapons
Accidents, Brassey's UK, London, 1990, pp. 181-182.
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