An action around a [[Point]].
>A [[../Math/Linear Transformation|Linear Transformation]] $L$ acts with respect to the [[Origin]].
To have $L$ act in respect to some [[Point]] $P$, we form the [[../Math/Matrix Product|Matrix Product]]:
$\huge T_{p - \mathcal O} \cdot L \cdot T_{\mathcal O -p} $