Show that the projection vector of $\mathbf{a}$ onto $\mathbf{b}$ is given by $\left( \mathbf{a}\cdo

Question

Show that the projection vector of $\mathbf{a}$ onto $\mathbf{b}$ is given by $\left( \mathbf{a}\cdot \mathbf{\hat{b}} \right)\mathbf{\hat{b}}$.

Accepted Answer

Projection vector of a onto b = (a · b̂) b̂

Show the formula of projection vector of a onto b