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From: Juan Alfredo Freites (jfreites_at_ea.nacs.uci.edu)
Date: Mon Feb 16 2004 - 21:54:55 CST
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Dear John and VMD users,
In some instances veclegth isn't giving me the right answer, here is an
example
veclength {2.37137085199 0.000350952148438}
2.37137079239
we can see that is wrong because the answer is less than one the
components, conventional expr{} gives the right answer
expr
{sqrt((2.37137085199*2.37137085199)+(0.000350952148438*0.000350952148438))}
2.37137087796
but it's twice more expensive than veclength. I also tried veclength [list
...] so as to avoid any ambiguity, but got the same result.
any thoughts?
-- J. Alfredo Freites Department of Physics University of California, Irvine Irvine, CA 92697-4575 (949) 824-9921
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