Procedure ‐ Perpendicular Vector

Goal

The goal of the perpendicular vector procedure is to find a vector that is perpendicular to a given vector.

The inputs for this procedure are:

vector: The vector to find a perpendicular vector for.
direction: The direction of the perpendicular vector, eith "positive" (counterclock-wise) or "negative" (clock-wise).

The outputs of this procedure are:

The procedure for this is as follows:

$\text{let } \vec{v} \text{ be the input vector}$
$\text{let } \vec{p} \text{ be the perpendicular vector}$

$\text{If the direction is positve:}$ $\vec{p} = (-\vec{v}_y, \vec{v}_x)$

$\text{If the direction is negative:}$ $\vec{p} = (\vec{v}_y, -\vec{v}_x)$