User:Jeblad/math-test


 * $$\mathbf{v}_u = \frac{\mathbf{v} \cdot \mathbf{u}}{\left\|\mathbf{u}\right\|} = \frac{1}{\left\|\mathbf{u}\right\|} \cdot \left (\mathbf{v} \cdot \mathbf{u}\right )$$
 * $${\mathbf{v}} _u$$
 * $$\mathbf{A}$$
 * $$A$$
 * $$\Alpha$$
 * $$\boldsymbol{A}$$
 * $${\color{YellowOrange}A}$$
 * $$\mathbf{a}$$
 * $$\mathbf{x}$$
 * $$\mathbf{u}$$
 * $$\mathbf{v}$$
 * $$\mathbf{w}$$