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Topic: The proof of mass vector.
Replies: 327   Last Post: May 20, 2007 9:58 PM

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 briggs@encompasserve.org Posts: 404 Registered: 12/6/04
Re: The proof of mass vector.
Posted: Apr 26, 2007 9:06 AM

In article <lPqXh.160\$25.93@news.uchicago.edu>, mmeron@cars3.uchicago.edu writes:
> In article <VE2FF\$JAnAn+@eisner.encompasserve.org>, briggs@encompasserve.org writes:
>>Scalar product (multiplication of a scalar and a vector) gives rise
>>to two division operations. Division of a vector by a scalar yielding
>>a vector. Which is surely not controversial. And division of a
>>vector by a vector yielding a scalar. Alas, this last operation is
>>not very general since it requires that dividend and divisor be
>>parallel.
>>

> No, it doesn't, it is just that it isn't unique. You can define a
> multiplicative inverse (for dot product) of a vector v by the usual rule,

Note the parentheticals. I'm not talking about "scalar dot product".
I'm talking about the product of a vector multiplied by a scalar.

If you invert aB = C for scalar a, vector B and vector C to
derive "C divided by B is a" then B and C had better be parallel

Unless C is zero, of course.

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