jordan_random, a MATLAB code which returns a random matrix in Jordan canonical form.
The computer code and data files described and made available on this web page are distributed under the MIT license
jordan_random is available in a MATLAB version.
test_mat, 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.