Position vector
The blue vector represents a position in space
Line with 2 points
Line in space determined by two points
Position and direction vectors for a line
Blue position vector and red direction vector
Animation of parameterized line
(
Quicktime format
)
Illustrates sum of position and scalar multiples of direction
Vector form of line in the plane
This Java applet from Japan illustrates how a line (in the plane) can be described using a position vector and a direction vector.