Matrix Market A visual repository of test data for use in comparative studies of algorithms for numerical linear algebra , featuring nearly 500 sparse matrices from a variety of applications , as well as matrix generation tools and services. math.nist.gov/MatrixMarket/
Pseudospectra Gateway The pseudospectrum of a matrix provides information about the behavior of the eigenvalues of A when A is subject to perturbations. Links to other resources. www.comlab.ox.ac.uk/projects/pseudospectra/
Sparse Matrix Collection (T. Davis) A collection of large sparse matrices from many scientific disciplines with links and software pieces to operate on matrix data structures. www.cise.ufl.edu/research/sparse/matrices/
Help build the largest human-edited directory on the web.