**qr_solve_test**,
a C++ code which
calls qr_solve(), which
computes a linear least squares (LLS) solution of a system A*x=b.

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

qr_solve, a C++ code which computes the linear least squares (LLS) solution of a rectangular linear system A*x=b, using the QR factorization..

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