**bicg_test**,
a MATLAB code which
calls bicg(), which
implements the biconjugate gradient method (BICG), which can
estimate the solution of a large sparse nonsymmetric linear system.

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

**bicg** is available in
a MATLAB version.

bicg, a MATLAB code which implements the biconjugate gradient method (BICG), which can estimate the solution of a large sparse nonsymmetric linear system.

- bicg_test.m, calls all the tests.
- bicg_test.sh, runs all the tests.
- bicg_test.txt, the output file.

- bicg_helmert.m, solves a system involving the Helmert matrix.
- bicg_invol.m, solves a system involving the involutary matrix.
- bicg_lesp.m, solves a system involving the Lesp matrix.