Definition:Ellipse/Vertex

Definition

 * EllipseParts.png

Consider an ellipse $K$.

A vertex of $K$ is either one of the endpoints of the major axis of $K$.

In the above diagram, $V_1$ and $V_2$ are the vertices of $K$.

Also defined as
Some sources also classify the covertices as vertices.

That is, they define the vertices as the endpoints of both the major axis and the minor axis.

Also see

 * Definition:Covertex of Ellipse