Mathematics, 16.10.2020 15:01 2xLaFlare
in exercises 15-20 find the vector component of u along a and the vecomponent of u orthogonal to a u=(2,1,1,2) a=(4,-4,2,-2)
Answers: 1
orthogonal to 
is 
.
(Eq. 1)
is the norm of 
. (Eq. 2)
and 
, then we get that vector component of ![\vec u_{\parallel\,\vec a} = \left[\frac{(2)\cdot (4)+(1)\cdot (-4)+(1)\cdot (2)+(2)\cdot (-2)}{4^{2}+(-4)^{2}+2^{2}+(-2)^{2}} \right]\cdot (4,-4,2,-2)](/tpl/images/0811/4354/53166.png)
(Eq. 3)
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in exercises 15-20 find the vector component of u along a and the vecomponent of u orthogonal to a u...
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