UD                      SVD, modified to return U, and D extended with
                        0's
basis3d                 Draw Basis Vectors in an rgl Scene
bbox3d                  Find the bounding box of a 'rgl::mesh3d' or
                        'rgl::qmesh3d' object
dual                    Dual or 'Inverse' of an ellipsoid
ell3d                   Plot Generalized Ellipsoids in 3D using rgl
ellipsoid               Calculate an ellipsoid in 3D
gell                    (U, D) Representation of an Ellipsoid in R^p.
gellipsoid-package      Generalized ellipsoids
gmult                   Linear Transformation of a Generalized
                        Ellipsoid
isBounded               Tests for Classes of Generalized Ellipsoids
par3d.save              Save and Restore the par3d Parameters for an
                        rgl Scene
signature               Signature of a Generalized Ellipsoid
