Question 1204b

Vectors I: Basics, Dot and Cross Products

Projection Vectors

Question

Given the vectors

{\mathbf{a}=\begin{pmatrix} 4 \\ 8 \\ 1 \end{pmatrix}}

and

{\mathbf{b}=\begin{pmatrix} - 1 \\ 2 \\ 2 \end{pmatrix},}

what is the projection vector of

{\mathbf{b}}

onto

{\mathbf{a}?}

Your answer:

{\Biggl(}

{\Biggr)}