**cg_test**,
a C++ program which
calls cg() to
implement a simple version of the conjugate gradient (CG) method
for solving a system of linear equations of the form A*x=b,
suitable for situations in which the matrix A is
symmetric positive definite (SPD)
(only real, positive eigenvalues).

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

cg, a C++ library which implements a simple version of the conjugate gradient (CG) method for solving a system of linear equations of the form A*x=b, suitable for situations where the matrix A is symmetric positive definite (SPD) (only real, positive eigenvalues).

- cg_test.cpp a sample calling program.
- cg_test.sh runs all the tests.
- cg_test.txt, the output file.