As of Version 6.0, $MachineDomain has been superseded by $MachineDomains.
As of Version 6.0, $ProductInformation has been superseded by SystemInformation.
As of Version 6.0, $RandomState has been superseded by the scoping construct BlockRandom.
As of Mathematica 7.0, $TemporaryPrefix has been superseded by $TemporaryDirectory.
As of Version 6.0, $TextStyle has been superseded by BaseStyle and other options.
Since Version 5.0 (released in 2003), $TopDirectory has been superseded by $InstallationDirectory and $BaseDirectory.
Since Version 5 (released in 2003), $UserAddOnsDirectory has been superseded by $UserBaseDirectory.
$$Media
(Obsolete Mathematica Symbol) Since Version 2.0 (released in 1991), $$Media has been superseded by Streams.
ARPACK is a collection of Fortran77 subroutines designed to solve large-scale eigenvalue problems. http://www.caam.rice.edu/software/ARPACK The ATLAS (Automatically Tuned ...
This tutorial shows a number of examples of the use of Mathematica for computations that involve linear algebra. Certain sparse matrix techniques try to reorder the matrix so ...