User:Wrth1

$$\begin{bmatrix} 2 & 0 & 0 & 0 & 0 \\ 5 & 0 & 0 & 0 & 0 \\ 4 & 0 & 0 & 0 & 0 \\ 1 & 0 & 0 & 0 & 0 \\ 3 & 0 & 0 & 0 & 0 \end{bmatrix}\begin{bmatrix} 1 \\ 2 \\ 3 \\ 4 \\ 5 \end{bmatrix} = \begin{bmatrix} 2 \\ 5 \\ 4 \\ 1 \\ 3 \end{bmatrix}    $$

$$P + k$$