index-class

The class <code>"index"</code> is a virtual class used for
 indices (in signatures) for matrix indexing and sub-assignment of
 "Matrix" matrices. In fact, it is currently implemented as a simple class union
 (<code><a rd-options="" href="/link/setClassUnion?package=Matrix&version=1.2-7.1" data-mini-rdoc="Matrix::setClassUnion">setClassUnion</a></code>) of
 <code>"numeric"</code>, <code>"logical"</code> and <code>"character"</code>.

classes

Classes and methods for dense and sparse matrices and
operations on them using 'LAPACK' and 'SuiteSparse'.

Martin Maechler

Matrix

Sparse and Dense Matrix Classes and Methods

index-class function

Since it is a virtual Class, no objects
  may be created from it.

Objects from the Class

The class <code>"index"</code> is a virtual class used for
 indices (in signatures) for matrix indexing and sub-assignment of
 "Matrix" matrices.

 In fact, it is currently implemented as a simple class union
 (<code><a rd-options='' href='setClassUnion'>setClassUnion</a></code>) of
 <code>"numeric"</code>, <code>"logical"</code> and <code>"character"</code>.

index-class: Virtual Class "index" - Simple Class for Matrix Indices

Description

Arguments

Objects from the Class

See Also

Examples