ABSTRACT
Cartesian coordinates, r may be considered as the position vector of a point
P in space whose position depends on the parameter t (which is often the
time). Then, as t increases, so the point P moves in space and traces out a
space curve G.
Cartesian coordinates, r may be considered as the position vector of a point
P in space whose position depends on the parameter t (which is often the
time). Then, as t increases, so the point P moves in space and traces out a
space curve G.