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Angle Between Vectors


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For a real scalar product an angle in $ [0,\pi]$ between $ u$ and $ v$ is defined by

$\displaystyle \cos\sphericalangle(u,v) :=
\frac{\langle u,v\rangle}{\vert u\vert\vert v\vert}\, .
$

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  automatically generated 3/15/2005