$\mathrm E:\;\begin{pmatrix}6\\-1\\-4\end{pmatrix}\circ\left[\begin{pmatrix}{\mathrm x}_1\\{\mathrm x}_2\\{\mathrm x}_3\end{pmatrix}-\begin{pmatrix}1\\0\\3\end{pmatrix}\right]=0$

$\mathrm E:\;\begin{pmatrix}4\\-7\\2\end{pmatrix}\circ\left[\begin{pmatrix}{\mathrm x}_1\\{\mathrm x}_2\\{\mathrm x}_3\end{pmatrix}-\begin{pmatrix}0\\1\\2\end{pmatrix}\right]=0$

$\mathrm E:\;\begin{pmatrix}-6\\-3\\2\end{pmatrix}\circ\begin{pmatrix}{\mathrm x}_1\\{\mathrm x}_2\\{\mathrm x}_3\end{pmatrix}=0$

$\mathrm E:\;\begin{pmatrix}-4\\-2\\1\end{pmatrix}\circ\left[\begin{pmatrix}{\mathrm x}_1\\{\mathrm x}_2\\{\mathrm x}_3\end{pmatrix}-\begin{pmatrix}1\\1\\-1\end{pmatrix}\right]=0$

$\mathrm E:\;\begin{pmatrix}1\\0\\-1\end{pmatrix}\circ\left[\begin{pmatrix}{\mathrm x}_1\\{\mathrm x}_2\\{\mathrm x}_3\end{pmatrix}-\begin{pmatrix}3\\1\\2\end{pmatrix}\right]=0$

$\mathrm E:\;\begin{pmatrix}0\\1\\0\end{pmatrix}\circ\left[\begin{pmatrix}{\mathrm x}_1\\{\mathrm x}_2\\{\mathrm x}_3\end{pmatrix}-\begin{pmatrix}2\\2\\2\end{pmatrix}\right]=0$

$\mathrm E:\;\begin{pmatrix}-500\\550\\100\end{pmatrix}\circ\left[\begin{pmatrix}{\mathrm x}_1\\{\mathrm x}_2\\{\mathrm x}_3\end{pmatrix}-\begin{pmatrix}40\\80\\0\end{pmatrix}\right]=0$