• angle, atan2—Calculate the angle to a point.

• xy2pol, pol2xy—Map to and from rectangular and polar coordinate system.

• xyz2sph, sph2xyz—Map to and from rectangular and spherical coordinates.

• xyz2cyl, cyl2xyz—Map to and from rectangular and cylindrical coordinates.

• CreateMesh, CreateSpace—Generate a nested matrix to use in visualizing 3D data.