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The author (Knyazev) maintains a Web site, which can be
accessed via the book's homepage, ETHOME,
for interactive discussion on the subject,
a bibliography page, and links to some software.
In particular, the following software is available:
- MATLAB implementations of the block steepest ascent and the
block conjugate gradient methods, used for numerical experiments
in the previous subsection.
- A FORTRAN code that computes eigenvalues of
the Laplacian in the L-shaped domain on a uniform mesh, using
preconditioned domain decomposition Lanczos-type methods;
see [270,266,271,272].
This software is experimental and does not reflect all insights
and possibilities described in this section.
Susan Blackford
2000-11-20