3-D Quiver (Vector) Graph
Display vectors as arrows with size indicating magnitude
Plotted Variables
Z,U,V,W) -- plot vector components at equally spaced surface points specified by matrix Z.
X,Y,Z,U,V,W) -- plot vector components at coordinates specified in X, Y, and Z. All must be the same size.
More Information
See the quiver3 reference page for more information.