- #1
Apteronotus
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If you look up dot product in http://en.wikipedia.org/wiki/Dot_product" , under 'properties' it states the following:
"The dot product is not associative, however with the help of the matrix-multiplication one can derive:
I simply don't see how this can be true for any vector [tex]\vec{c}[/tex]. Is it?
Thanks in advance,
"The dot product is not associative, however with the help of the matrix-multiplication one can derive:
[tex]
\left(\vec{a} \cdot \vec{b}\right) \vec{c} = \left(\vec{c}\vec{b}^{T}\right)\vec{a}
[/tex]"
\left(\vec{a} \cdot \vec{b}\right) \vec{c} = \left(\vec{c}\vec{b}^{T}\right)\vec{a}
[/tex]"
I simply don't see how this can be true for any vector [tex]\vec{c}[/tex]. Is it?
Thanks in advance,
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