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At 17:28 -0400 9/11/01, James McLean wrote:

I'm surprised by the exception of D=1. Should a "vector" in D=1 be
treated any differently? If you wish, in D=1, you might choose to only
discuss the components. But think a vector still only has direction and
magnitude.

True, but it turns out to be quite convenient to use the sign to
assign direction to the vector, and later when one gets into higher
dimensionality, the sign used in one-dimension is seen to be the sign
of the components in higher dimesnions.

Hugh
--

Hugh Haskell
<mailto://haskell@ncssm.edu>
<mailto://hhaskell@mindspring.com>

(919) 467-7610

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