test_matrix_test

test_matrix_test, a MATLAB code which calls test_matrix(), which defines test matrices for which some of the determinant, eigenvalues, inverse, null vectors, P*L*U factorization or linear system solution are already known, including the Vandermonde and Wathen matrix.

Licensing:

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

Related Data and Programs:

test_matrix. a MATLAB code which defines test matrices for which some of the determinant, eigenvalues, inverse, null vectors, P*L*U factorization or linear system solution are already known, including the Vandermonde and Wathen matrix.

Source Code:

• test_matrix_test.m, calls all the tests;
• test_matrix_test.sh, runs all the tests;
• test_matrix_test.txt, the output file.

• test_condition.m, tests the condition number evaluation routines.
• test_determinant.m, tests the determinant evaluation routines.
• test_eigen_left.m, tests the left eigensystem routines.
• test_eigen_right.m, tests the right eigensystem routines.
• test_inverse.m, tests the inverse evaluation routines.
• test_ldlt.m, tests the LDLT factor routines.
• test_llt.m, tests the lower triangular Cholesky factor routines.
• test_null_left.m, tests the left null vector routines.
• test_null_right.m, tests the right null vector routines.
• test_plu.m, tests the P*L*U factor routines.
• test_solution.m, tests the linear system solution routines.
• test_type.m, tests functions which determine the linear algebraic type of a matrix.

• bvec_next_grlex_test.m
• legendre_zeros_test.m
• mertens_test.m
• moebius_test.m
• r8mat_is_eigen_left_test.m
• r8mat_is_eigen_right_test.m
• r8mat_is_llt_test.m
• r8mat_is_null_left_test.m
• r8mat_is_null_right_test.m
• r8mat_is_solution_test.m, measures the error in solutions of A*X-B.