Description Objects from the Class Methods Author(s) References See Also
A class for internal use to. It is the union of the classes "NULL", "numeric", and "matrix".
A virtual Class: No objects may be created from it.
No methods defined with class "maybeRegvar" in the signature.
Javier Lopez-de-Lacalle javlacalle@yahoo.es and Ignacio Diaz-Emparanza Ignacio.Diaz-Emparanza@ehu.es
~put references to the literature/web site here ~
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